Standard Lemma guide

untruthful

adj · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: AH0 N T R UW1 TH F AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Not giving the truth; providing untrue facts; lying.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Pertaining to falsehood; corrupt; dishonest.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective

Meaning 3

not expressing or given to expressing the truth

Definition source: Princeton WordNet 3.0

Examples

  • the statement given under oath was untruthful
  • an untruthful person

Meaning relationships

Synonyms: none provided

Antonyms: truthful

History

Etymology

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

Across languages

Translations

19 source translations are retained for this English entry.

  • Arabic: كَاذِب (kāḏib) — not giving the truth, lying
  • Bulgarian: лъжлив (lǎžliv) — not giving the truth, lying
  • Finnish: valheellinen — not giving the truth, lying
  • French: menteur — not giving the truth, lying
  • Galician: mentireiro — not giving the truth, lying
  • German: unwahrheitlich — not giving the truth, lying
  • Italian: bugiardo — not giving the truth, lying
  • Latin: mendax — not giving the truth, lying
  • Romanian: neveridic — not giving the truth, lying
  • Romanian: fals — not giving the truth, lying
  • Romanian: mincinos — not giving the truth, lying
  • Scottish Gaelic: breugach — not giving the truth, lying
  • Spanish: embustero — not giving the truth, lying
  • Spanish: mentiroso — not giving the truth, lying
  • Bulgarian: нечестен (nečesten) — dishonest
  • Finnish: epärehellinen — dishonest
  • French: malhonnête — dishonest
  • German: unehrlich — dishonest
  • Tagalog: sinungaling — dishonest