Standard Lemma guide

untrustworthy

adj · 2 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.

  • /ˌʌnˈtɹʌstˌwɜː(ɹ)ði/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: AH0 N T R AH1 S T W ER2 DH IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Not deserving of trust; unreliable.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adjective

Meaning 2

not worthy of trust or belief

Definition source: Princeton WordNet 3.0

Examples

  • an untrustworthy person

Meaning relationships

Synonyms: untrusty

Antonyms: trustworthy

History

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English trustworthy English untrustworthy From un- + trustworthy.

Across languages

Translations

28 source translations are retained for this English entry.

  • Bulgarian: ненадежден (nenadežden) — not deserving of trust; unreliable
  • Czech: nedůvěryhodný — not deserving of trust; unreliable
  • Dutch: onbetrouwbaar — not deserving of trust; unreliable
  • Esperanto: malfidinda — not deserving of trust; unreliable
  • Galician: falso — not deserving of trust; unreliable
  • Georgian: არასანდო (arasando) — not deserving of trust; unreliable
  • Georgian: არასაიმედო (arasaimedo) — not deserving of trust; unreliable
  • Georgian: არასარწმუნო (arasarc̣muno) — not deserving of trust; unreliable
  • German: unzuverlässig — not deserving of trust; unreliable
  • German: nicht vertrauenswürdig — not deserving of trust; unreliable
  • Ancient Greek: ἄπιστος (ápistos) — not deserving of trust; unreliable
  • Hungarian: megbízhatatlan — not deserving of trust; unreliable
  • Ido: desfidela — not deserving of trust; unreliable
  • Ido: desfidema — not deserving of trust; unreliable
  • Latin: infidus — not deserving of trust; unreliable
  • Latin: levifīdus — not deserving of trust; unreliable
  • Macedonian: недо́верлив (nedóverliv) — not deserving of trust; unreliable
  • Macedonian: неверодо́стоен (neverodóstoen) — not deserving of trust; unreliable
  • Māori: ngutu tere — not deserving of trust; unreliable
  • Romanian: îndoielnic — not deserving of trust; unreliable
  • Romanian: nesigur — not deserving of trust; unreliable
  • Russian: ненадёжный (nenadjóžnyj) — not deserving of trust; unreliable
  • Russian: не заслу́живающий дове́рия (ne zaslúživajuščij dovérija) — not deserving of trust; unreliable
  • Spanish: no/poco/nada fidedigno/confiable/fehaciente — not deserving of trust; unreliable
  • Swedish: opålitlig — not deserving of trust; unreliable
  • Telugu: అవిశ్వసనీయము (aviśvasanīyamu) — not deserving of trust; unreliable
  • Telugu: నమ్మదగని (nammadagani) — not deserving of trust; unreliable
  • Tocharian B: empakwatte — not deserving of trust; unreliable