Untruthful

adj

adj ·3 syllables ·Uncommon ·Advanced level

Definitions

Adjective
  1. 1
    Not giving the truth; providing untrue facts; lying.

    "Cousin, good night; / And whatsoe’er be told of me henceforth, / A most untruthful annalist were he, / Who said I did not love my cousin Anna."

  2. 2
    Pertaining to falsehood; corrupt; dishonest.

    "But what was our astonishment when the “Seven Letters by Anglicanus” made their appearance amongst us, accompanied by the report that you—one of our brethren—was the author of that untruthful, bitter, and malignant publication!"

Adjective
  1. 1
    not expressing or given to expressing the truth wordnet

Synonyms

All synonyms
dishonestmendaciousartfulcalculatingcraftycrooked

Example

More examples

"Cousin, good night; / And whatsoe’er be told of me henceforth, / A most untruthful annalist were he, / Who said I did not love my cousin Anna."

Etymology

From un- + truthful. Compare Middle English untreuthfull, untrowþeful, wntreuthtfull (“unbelieving, infidel”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.