IELTS Academic頻出単語一覧

イギリス・オーストラリア・カナダ留学を目指す方必見。IELTS Academic対策に必須の語彙を約1,500語収録。

収録単語数

1817語

カバー範囲

Reading / Listening / Writing / Speaking

対象バンド

5.0-9.0

🇬🇧

ブリティッシュ英語対応

イギリス英語のスペルと発音に対応した語彙を収録

📊

バンドスコア別分類

目標バンドに合わせて効率的に学習できる3段階構成

📝

Writingに強い語彙

Task 1（図表説明）とTask 2（エッセイ）に必須の表現を網羅

🌏

国際的に認められた資格

140以上の国と10,000以上の機関で認められている英語資格

バンドスコア別単語一覧

基礎語彙 - IELTS入門者向け

単語一覧を見る →

中級語彙 - 一般的な大学入学レベル

単語一覧を見る →

上級語彙 - 難関大学・大学院レベル

単語一覧を見る →

IELTS Academicとは

IELTS（International English Language Testing System）は、ブリティッシュ・カウンシル、 IDP、ケンブリッジ大学英語検定機構が共同運営する英語能力試験です。イギリス、オーストラリア、ニュージーランド、カナダなどの大学や移民局で広く認められています。

試験構成（4技能）

• Listening: 30分（40問）
• Reading: 60分（40問）
• Writing: 60分（2タスク）
• Speaking: 11-14分（対面インタビュー）

バンドスコア目安

• 5.5: 一般的な語学学校入学レベル
• 6.0: 多くの大学の最低要件
• 6.5: 有名大学の平均要件
• 7.0以上: 難関大学・大学院レベル

アルファベット別索引

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

全単語一覧（1817語）

A

abdicate aberration abhor abolish abolition abound abrasive abridge abstain abstention abundance accelerate accentuate accessible acclaim accolade accommodate accompany accomplish accumulate accurate achieve acknowledge acquiesce acquire acrimony activation acute adapt adept adequate adhere adjacent adjust administration admonish adroit adult advent adversary adverse advocate aesthetic affect affiliate affinity affirm affluence aggravate aggregate aid alacrity albeit alleviate allocate allude alter alternative altruism amalgamate ambiguity ambivalent ameliorate amenable amend anachronism analogy analyze anarchy animosity annex annual anomaly antagonize antecedent anticipate antipathy antiquated antithesis apathy apex aplomb apparatus apparent appease appreciation apprehensive approach appropriate apropos aptitude arbitrary arcane archaic ardent arduous articulate articulate ascend ascertain ascetic aspect aspersion aspire assemble assert assess assiduous assimilate assuage assume astute atrophy attenuate attribute audacious augment augment auspicious austere authentic authority authorize autonomous autonomy available avarice aversion avert aware axiom

B

bane bastion belabor belie belligerent bemoan benefactor benefit benevolent benign berate beseech blatant bolster bombastic bond breach brevity broach bucolic bulk bureaucracy bureaucratic burgeon buttress

C

calamity callous candid candor capable capacity capitulate capricious cardinal castigate catalyst category caustic caveat cease censure certify chapter characterize chart chastise chronic chronic circulate circumscribe circumspect circumstance cite civil clandestine clarify classic classify clause clemency coalesce code coerce coexist cogent cognitive cognizant coherent coincide collaborate collapse colloquial commence commensurate comment commission community compare compatible compel compelling compendium compensate compile complacent complement complex compliant complicity comply component comprehend comprise compromise compunction concede conceive concept conciliatory concise conclude concord concurrent condense condescend conduct confine confiscate conflagration confluence conform confront congenial conjecture connive connoisseur consecrate consecutive consensus consent consequence conserve considerable consist consolidate conspicuous constant consternation constitute constrain construct construe consult consume consummate contact contemn contemplate contend contentious context contiguous contingent contract contradict contrast contribute contrite contrive controversy conundrum convene convention conventional converge convert convey convivial cooperate coordinate copious core corollary corporate correlate correspond corroborate cosmopolitan countenance counterfeit countermand counterpart covenant covert covet craven create credence credible credit credulity criteria criterion cryptic culminate culpable culture cumulative currency curriculum cursory curtail cycle cynical

D

data dearth debacle debate debilitate debunk decade decadence decisive decline decorum decrepit decry dedicate deem defect deference defiant deficiency define definite degenerate degrade delegate deleterious deliberate delineate demagogue demeanor demise demonstrate demure denigrate denizen denote deny depict deplete deploy depravity deprecate derelict deride derivative derive derive desecrate design designate desolate despite despotic destitute desultory detach detect deter deter deteriorate detrimental devastate device devise devote diatribe dichotomy didactic differentiate diffident diffuse digress dilatory dilemma diligent dimension diminish diminutive disaffected discard discern disclose disconcert discordant discourse discrepancy discrete discriminate disparage dispassionate dispel disperse displace dispose disrupt disseminate disseminate dissent dissipate dissolve dissonance distinct distort distribute diverge divergent diverse divert docile doctrine document dogmatic domain domestic dominant dominate donate dormant draconian draft dramatic dubious duplicity dwindle dynamic

E

ebullient eccentric eclectic economy edify edit efface effervescent efficacious effrontery effusive egalitarian egregious elaborate elegy element elevate elicit eliminate eloquent elude elusive emaciate emanate embed embellish embezzle embody embrace embroil emerge emerge eminent emphasis empirical empower emulate enable enact enamor encapsulate encompass encounter encumber endeavor endemic endorse endure energy enervate enforce engross enhance enigma enlighten enmity ennui enormity enormous enrich ensue ensure enterprise enthrall entity entreat entrepreneur enumerate environment envisage ephemeral epiphany epitome equal equanimity equate equilibrium equip equitable equity equivalent equivocal eradicate erode error erudite escalate eschew esoteric espouse establish esteem estimate ethereal ethics ethnic euphemism euphoria evade evaluate evanescent eventual evidence evolve exacerbate exaggerate exalt exasperate exceed excel excerpt exclude exculpate execrate exemplify exempt exert exhaust exhibit exhort exigent exonerate expand expedient expert expiate explicit explicit exploit exponential export expose expunge expurgate extenuate external extol extract extract extraneous extrapolate extricate

G

gainsay gallant garner garrulous gauche gauge gender generate generation genial genuine germane gist glib globe goal grade grant grasp gratuitous grave gregarious grievous guarantee guideline guileless

I

iconoclast identical identical identify ideology idiosyncrasy ignominious ignorant illicit illuminate illustrate image imbibe imbue immaculate immense immigrate imminent immutable impact impair impart impasse impassive impeccable impecunious impede impending imperative imperious impermeable impertinent impervious impetuous implement implication implicit implore imply impolitic importune impose impose impregnable improvident impudent impugn impulse impunity inaccessible inadequate incandescent incentive incentive inchoate incidence incipient incisive inclement incline include inclusive income incongruous inconsequential inconsistent incontrovertible incorporate incorrigible incredulous increment incur indefatigable indelible index indicate indifferent indigenous indigent indignant indispensable individual indolent indomitable induce induce ineffable ineluctable inevitable inexorable infallible infamous infer infinite inflict influential infrastructure infringe ingenious ingenuous inherent inherent inhibit inimical iniquity initial initiate inject injury innocuous innovate innovation innuendo inordinate input inscrutable insert insidious insight insolent insouciant inspect instance instance instinct institute instruct instrumental insufficient insulate insurgent intact intangible integral integrate integrity intelligence intense intensify interact interaction intercept interface interim interlocutor intermediate intermediate interminable internal interpolate interpret interval intervene intervene intimate intractable intransigent intrepid intricate intrinsic inundate inure invariable invective invest investigate inveterate invidious invigorate invincible invoke involve irascible irate irksome irrelevant irreverent isolate issue item itinerant

J

jaded jingoism job jocular journal judicious jurisdiction justification justify juxtapose

K

P

pacify palatable palliate palpable panacea panache pandemic pander panegyric panel paradigm paradigm paradox paragon paragraph parallel parameter pariah parody parsimonious partial participate partisan partner partnership passive passive pastoral patent pathological pathos patriarch patrician patronize paucity peccadillo pecuniary pedantic pejorative pellucid penchant penitent penurious perceive perceive percent perfidious perfunctory period peripatetic peripheral perjury permeate pernicious perpetrate perpetuate persist persist perspective perspective perspicacious perturb peruse pervasive pestilence petition petulant phase phenomenon philanthropy philistine philosophy phlegmatic physical piety pinnacle pioneer pious pique pithy pittance pivotal placate placid plaintive platitude plaudits plausible pledge plethora pliable plight plunge plus poignant polarize polemic policy pompous ponderous pontificate portent portfolio portion portray pose pose positive posthumous postulate potent potential practitioner pragmatic pragmatic prate precarious precede precept precipitate precise preclude precursor predecessor predict predilection predominant preempt preen preliminary preliminary premise preposterous prerogative prescribe presentiment prestige presume prevail prevalent prevaricate previous priggish primary prime primitive principal principle prior priority pristine probe probity proceed proceed process proclaim proclivity procrastinate prodigal prodigious profession profligate profound progeny prognosis prohibit project proliferate prolific prolix prolong prominent promote promulgate prone propagate propel propensity prophetic propitiate propitious proportion proposition propriety prosaic proscribe proselytize prospect prospective prosper protagonist protocol protract provident province provincial provoke proximity prudent publication publish pugnacious punctilious pungent purchase purport pursue pursue pusillanimous

Q

quagmire qualitative qualm quandary querulous quest quiescent quintessential quixotic quota quote quotidian

R

raconteur radical radical rancor random range rapacious rarefied ratify ratio rational rational raucous react realm reassure recalcitrant recant recapitulate recede reciprocal reclaim reconcile recondite reconstruct recover rectitude redolent redoubtable redress redundant refine refine refractory refrain refute regale regime regime region register regulate reinforce reinforce reiterate reject relax release relegate relentless relevant relinquish reluctance reluctant rely remain remedy reminiscent remonstrate remove render renew renounce repast repercussion replete replicate reprehensible reprieve reproach reprobate reprove repudiate repugnant require rescind research resemble reside reside residue resilient resolute resolution resolve resonate resort resource resplendent respond restitution restive restore restrain restrain restrict resurgent retain retain reticent retribution retrieve retrospect reveal revenue revenue revere reverie reverse reverse revise revise revive revolution revolutionize rhetoric ribald rife rigid rigor rigorous riveting robust role route rudimentary ruminate rustic

S

saccharine sacrilege sacrosanct safeguard sagacious salient salutary sanctimonious sanction sanguine sardonic satiate satirize saturate savor scant scarce scathing scenario schedule scheme schism scintillate scope scrupulous scrutiny section sector secular secure sedition sedulous seek segment seize select sententious sequence serendipity series servile setback shift significant similar simpering simulate simulate simultaneous singular sinuous site skeptical slander sloth slovenly smug soar solace sole solicitous solidarity solvent somewhat somnolent sophisticated sophomoric soporific sordid source sovereign sparse specific specify specious speculate spendthrift sphere spiral sponsor sporadic spur spurious squalid squander stabilize stable stagnant staid stalwart stance stark static statistic status statute staunch stentorian stereotype stigmatize stimulate stipulate stoic straightforward strain strategic strategy streamline strenuous stress stride strident stringent strive structure stupefy style stymie suave subjugate sublime submit subordinate subordinate subsequent subservient subside subsidiary subsidy substantiate substantive substitute subterfuge subtle subvert successive successor succinct succumb suffice sufficient sully sum summary sumptuous sundry supercilious superfluous supersede supine supplant supplement supplement supplicant suppress surfeit surge surplus surreptitious surrogate surveillance survey survive susceptible suspend suspend sustain sustain sycophant sylvan symbol symmetric synthesis

W

wanton warrant wary welfare welter whereas whereby whet whimsical widespread widespread winsome withstand wizened woe wrangle wrest writhe

X

Y

Z

zealot zenith zephyr