Standard Lemma guide

unsafe

adj · verb · 5 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.

  • /ʌnˈseɪf/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪf
  • CMU ARPABET: AH0 N S EY1 F Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Not safe (various senses); dangerous.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To remove the safety from (a weapon).

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective

Meaning 3

involving or causing danger or risk; liable to hurt or harm

Definition source: Princeton WordNet 3.0

Examples

  • a dangerous criminal
  • a dangerous bridge
  • unemployment reached dangerous proportions

Meaning relationships

Synonyms: dangerous

Antonyms: none provided

4

adjective

Meaning 4

lacking in security or safety

Definition source: Princeton WordNet 3.0

Examples

  • his fortune was increasingly insecure
  • an insecure future

Meaning relationships

Synonyms: insecure

Antonyms: none provided

5

adjective satellite

Meaning 5

not safe from attack

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: insecure

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 safe English unsafe From un- (not) + safe.

Etymology tree Proto-Indo-European *h2ent- Proto-Indo-European *-s Proto-Indo-European *h2éntsder. Proto-Germanic *anda- Proto-West Germanic *anda- Old English and- Old English on- Middle English on- English un- English safe English unsafe From un- (reversive prefix) + safe.

Across languages

Translations

21 source translations are retained for this English entry.

  • Bulgarian: несигурен (nesiguren) — not safe
  • Bulgarian: опасен (opasen) — not safe
  • Catalan: insegur — not safe
  • Czech: nebezpečný — not safe
  • Danish: usikker — not safe
  • Dutch: onveilig — not safe
  • Finnish: turvaton — not safe
  • Finnish: vaarallinen — not safe
  • French: dangereux — not safe
  • German: unsicher — not safe
  • Italian: insicura — not safe
  • Latin: intūtus — not safe
  • Māori: haumarukore — not safe
  • Norwegian Bokmål: usikker — not safe
  • Norwegian Nynorsk: usikker — not safe
  • Polish: niebezpieczny — not safe
  • Portuguese: inseguro — not safe
  • Romanian: nesigur — not safe
  • Russian: опасный (opasnyj) — not safe
  • Serbo-Croatian: opasan — not safe
  • Spanish: inseguro — not safe