untrue

adjective

un·​true ˌən-ˈtrü 

1

: not faithful : disloyal

discovered his friends were untrue

untrue to one's duty

2

: not according with a standard of correctness : not level or exact

untrue doors

3

: not according with the facts : false

… led the witness almost immediately, in his deposition, into a demonstrably untrue answer

—Renata Adler

untruly

ˌən-ˈtrü-lē 

adverb

Synonyms of untrue

• erroneous
• inaccurate
• incorrect
• wrong
• false

Examples of untrue in a Sentence

He made untrue statements to the press.

Her lover had been untrue.

Recent Examples on the Web

That is both not enough rides to understand the concerns of frequent riders and flatly untrue. — Nik Hunder, Chicago Tribune, 19 July 2026

Provided with details of Reuters’ reporting, spokeswoman Courtney Spencer disputed key details as untrue or inaccurate, including the plan to eliminate the entire childhood immunization schedule. — CNN Money, 16 July 2026

The name suggests camping chairs are only used for sitting around a fire in the great outdoors, which is untrue. — Bestreviews, Mercury News, 16 July 2026

Superstitions and stories prevail because this area is perceived to have more disappearances than other parts of the world, but this is untrue. — Andrea Romano, Travel + Leisure, 15 July 2026

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Rhymes for untrue

• blew
• blue
• boo
• brew
• chew
• chou
• clue
• coo
• coup
• crew
• cue
• dew

Kids Definition

untrue

adjective

un·​true ˌən-ˈtrü 

ˈən-

1

: not faithful : disloyal

2

: not meeting a standard of correctness : not level or exact

3

: not agreeing with the facts : false

an untrue statement

untruly

-ˈtrü-lē 

adverb