Standard Lemma guide

undependable

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

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No pronunciation record was provided for this word.

1

adj

Meaning 1

Not dependable.

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 reliance or trust

Definition source: Princeton WordNet 3.0

Examples

  • in the early 1950s computers were large and expensive and unreliable
  • an undependable assistant

Meaning relationships

Synonyms: unreliable

Antonyms: dependable

3

adjective satellite

Meaning 3

liable to be erroneous or misleading

Definition source: Princeton WordNet 3.0

Examples

  • an undependable generalization

Meaning relationships

Synonyms: unreliable

Antonyms: none provided

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 depend Proto-Indo-European *-tḗr Proto-Indo-European *-dhlom Proto-Indo-European *-dhlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English dependable English undependable From un- + dependable.

Across languages

Translations

4 source translations are retained for this English entry.

  • Bulgarian: ненадежден (nenadežden) — not to be relied upon
  • French: pas fiable — not to be relied upon
  • Māori: kahurakiraki — not to be relied upon
  • Māori: kōnukenuke — not to be relied upon