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Definitions

unanswerable

[uhn-an-ser-uh-buhl, -ahn-] / ʌnˈæn sər ə bəl, -ˈɑn- /

ADJECTIVE

conclusive

Synonyms

STRONGEST

compelling convincing decisive indisputable irrefutable irrevocable precise unambiguous undeniable unmistakable

WEAK

absolute all out clear clinching cogent deciding demonstrative determinant determinative flat out incontrovertible irrefragable irrefrangible litmus test resolving revealing settling straight out telling ultimate unarguable unconditional unquestionable what you see is what you get

Antonyms

STRONGEST

ambiguous disputable doubtful dubious indefinite questionable refutable uncertain unsure

WEAK

inconclusive

ADJECTIVE

final

Synonyms

STRONGEST

decisive definite finished

STRONG

absolute determinative

WEAK

decided determinate incontrovertible irrefutable irrevocable settled unappealable

Antonyms

STRONGEST

indefinite

WEAK

beginning commencing continuing first inconclusive interim introductory opening persistent starting temporary

ADJECTIVE

immune

Synonyms

STRONGEST

exempt resistant unaffected

STRONG

clear free safe

WEAK

allowed favored hardened to insusceptible irresponsible licensed not affected not liable not subject privileged protected unliable unsusceptible

Antonyms

STRONG

hindered

WEAK

susceptible unguarded unprotected vulnerable

ADJECTIVE

impossible

Synonyms

STRONGEST

absurd hopeless ludicrous outrageous preposterous unacceptable unreasonable

STRONG

offensive undesirable

WEAK

egregious improper incongruous objectionable unsuitable

Antonyms

STRONGEST

acceptable

STRONG

pleasing

WEAK

achievable believable governable manageable tenable tolerable

ADJECTIVE

irrefutable

Synonyms

STRONGEST

indisputable ironclad unassailable undeniable

WEAK

accurate apodictic can bet on it certain double-checked evident final inarguable incontestable incontrovertible indubitable invincible irrebuttable irrefragable irresistible nof ifs ands or buts obvious odds-on positive proven set sure unimpeachable unquestionable

Antonyms

STRONGEST

disputable indefinite

WEAK

doubtful dubious questionable refutable uncertain

ADJECTIVE

irresponsible

Synonyms

STRONGEST

capricious immature thoughtless

WEAK

carefree devil-may-care feckless fickle flighty fly-by-night giddy harebrained ill-considered incautious lax loose no-account rash scatterbrained shiftless unaccountable uncareful undependable unpredictable unreliable unstable untrustworthy wild

Antonyms

WEAK

accountable careful liable reliable responsible trustworthy

ADJECTIVE

undeniable

Synonyms

STRONGEST

certain evident indisputable irrefutable obvious unassailable unquestionable

WEAK

actual beyond doubt beyond question binding clear compulsory for sure inarguable incontestable incontrovertible indubitable manifest necessary no ifs and or buts obligatory open and shut patent positive real sound sure sure thing true undoubted

Antonyms

STRONGEST

disputable doubtful dubious indefinite obscure questionable refutable uncertain unclear unreliable unsure vague

WEAK

contestable doubted unproven

ADJECTIVE

valid

Synonyms

STRONGEST

accurate authentic binding compelling conclusive credible good lawful legal legitimate logical original persuasive solid true well-founded

WEAK

attested authoritative bona fide cogent confirmed convincing determinative efficacious efficient good-faith in force irrefutable just kosher legit official potent powerful proven pure sound stringent strong substantial telling tested trustworthy ultimate unadulterated uncorrupted weighty well-grounded

Antonyms

STRONGEST

counterfeit evil fake false illegal illegitimate illicit improbable invalid unlawful unlikely unreal unreliable untrustworthy wrong

WEAK

unacceptable unsound

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Instead, the team broke down their unanswerable question—will the breeding program work—into four smaller, more tractable assumptions:

From Slate • Apr. 28, 2026

Together was a creation of the young, with their devastating and unanswerable insight: “You’re leaving—we’re coming.”

From The Wall Street Journal • Nov. 11, 2025

But the perpetually unanswerable question is whether they will be up to whatever comes next.

From BBC • Jul. 8, 2025

The question, unanswerable on its face, assumes special importance when national security is at stake.

From Salon • Nov. 24, 2024

Raymie added this question to the list of impossible, unanswerable questions that adults seemed inclined to ask her.

From "Raymie Nightingale" by Kate DiCamillo

unanswerable

Example Sentences

Related Words