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

When isolated issues in other states occur, even if proved untrue, the intense and repeated national media attention on them shakes voter confidence here at home. — Heather Lamarre, The Conversation, 14 Oct. 2026

The first complainant, whose claims Brand says are untrue, was said by the prosecution to have been raped by Brand. — Lily Ford, HollywoodReporter, 14 Oct. 2026

The couple’s attorney in that case said those allegations are untrue and declined to comment further. — James Queally, Los Angeles Times, 13 Oct. 2026

To say such players carried the Astros this season would be untrue. — Matt Kawahara, Houston Chronicle, 27 Sep. 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