Definitions

unquestionable

[uhn-kwes-chuh-nuh-buhl] / ʌnˈkwɛs tʃə nə bəl /

ADJECTIVE

definite; beyond doubt

Synonyms

STRONGEST

absolute indisputable self-evident undeniable unequivocal unmistakable

WEAK

accurate authentic bona fide certain clear cold conclusive dependable down pat downright established faultless flat flawless for certain genuine incontestable incontrovertible indubitable irrefutable manifest no ifs ands or buts obvious pat patent perfect positive real reliable superior sure sure-enough true undisputable undoubted unimpeachable veritable well-founded well-grounded

Antonyms

STRONGEST

disputable indefinite uncertain unsure vague

WEAK

doubtful questionable

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.

Foreign minister Anand has called Arctic defence "an unquestionable national security priority of this government".

From BBC • Feb. 6, 2026

“It’s unquestionable that climate change and environmental impacts are impacting the speed and severity of which things change. ... Climate resilience has to be part of the conversation.”

From Los Angeles Times • Jan. 27, 2026

Yet it remains a mystery how a driver who was long famed for his adaptability, and whose talent and status is unquestioned and unquestionable, has failed to adapt to them.

From BBC • Dec. 11, 2025

The precision of the drops is astonishing, the impact heart-lifting, their moments of victory obvious and unquestionable.

From Los Angeles Times • Jan. 11, 2025

It should be obvious that facts can both be unquestionable and only have meaning within certain discursive conventions: e.g.

From "The Invention of Science" by David Wootton

unquestionable

Example Sentences

Related Words