unquestionable

adjective

un·​ques·​tion·​able ˌən-ˈkwes-chə-nə-bəl 

-ˈkwesh-

: not questionable : indisputable

unquestionable evidence

unquestionable integrity

unquestionably

ˌən-ˈkwes-chə-nə-blē 

-ˈkwesh-

adverb

Synonyms

• accomplished
• certain
• inarguable
• incontestable
• incontrovertible
• indisputable
• indubitable
• irrefragable
• irrefutable
• positive
• sure
• unanswerable
• unarguable
• unchallengeable
• undeniable

Examples of unquestionable in a Sentence

a person of unquestionable integrity

His influence on modern art is unquestionable.

Recent Examples on the Web

What’s unquestionable is his ability to create and make shots. —Sam Vecenie, The Athletic, 9 Jan. 2025

There was was no wind-gauge for that meet at Lake Minneola to certify the time but his speed is unquestionable. —Buddy Collings, The Orlando Sentinel, 1 Apr. 2025

No matter where people stand on Schulz’s point of view on comedy, his mark on pop culture with his punch lines has become unquestionable. —Nate Jackson, Los Angeles Times, 4 Mar. 2025

But the evening’s unquestionable highlight featured Primer and Holland joining Guy, daughter Carlise and Guy’s band on stage, drawing the evening to a close shortly after midnight as Guy headed for the merch table. —Jim Ryan, Forbes, 28 Feb. 2025

Word History

First Known Use

1587, in the meaning defined above

Rhymes for unquestionable

• questionable

Kids Definition

unquestionable

adjective

un·​ques·​tion·​able ˌən-ˈkwəs-chə-nə-bəl 

-ˈkwesh-,

 in rapid speech  -ˈkwesh-nə-;

ˈən-

: not questionable : indisputable

unquestionable evidence

unquestionably

-blē 

adverb