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 proved to be untrue for Boeing, which reported better-than-expected revenue on Wednesday. —Morgan Chittum, CNBC, 25 Apr. 2026

News of the potential merger was first reported by Bloomberg, however, a source stated that any reports of financial problems at iHeart are untrue, and also that the companies are looking at a merger, not the acquisition of one by the other. —Jem Aswad, Variety, 24 Apr. 2026

Asserting that flu poses no risk is untrue. —Paul Friedrichs, STAT, 23 Apr. 2026

However, White House Press Secretary Karoline Leavitt said those claims were untrue and the route had been reopened. —Janet Loehrke, USA Today, 8 Apr. 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