Standard Lemma guide

undetectable

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 D IH0 T EH1 K T AH0 B AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Unable to be detected; not detectable.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adjective satellite

Meaning 2

barely able to be perceived

Definition source: Princeton WordNet 3.0

Examples

  • the transition was almost indiscernible
  • an almost insensible change

Meaning relationships

Synonyms: indiscernible, insensible

Antonyms: none provided

3

adjective satellite

Meaning 3

not easily seen

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

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 detect 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 detectable English undetectable From un- + detectable.

Across languages

Translations

11 source translations are retained for this English entry.

  • Bulgarian: неоткриваем (neotkrivaem) — Unable to be detected
  • Finnish: ei havaittavissa — Unable to be detected
  • French: indétectable — Unable to be detected
  • Italian: non rilevabile — Unable to be detected
  • Macedonian: незабе́лежлив (nezabéležliv) — Unable to be detected
  • Polish: nieodczuwalny — Unable to be detected
  • Polish: niewykrywalny — Unable to be detected
  • Portuguese: indetectável — Unable to be detected
  • Portuguese: indetetável — Unable to be detected
  • Romanian: nedetectabil — Unable to be detected
  • Spanish: indetectable — Unable to be detected