Standard Lemma guide

unattackable

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

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1

adj

Meaning 1

Which may not be attacked.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: attackable

2

adjective satellite

Meaning 2

immune to attack; incapable of being tampered with

Definition source: Princeton WordNet 3.0

Examples

  • an impregnable fortress
  • fortifications that made the frontier inviolable
  • a secure telephone connection

Meaning relationships

Synonyms: impregnable, inviolable, secure, strong, unassailable

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- Proto-Indo-European *h2éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Italian a- Proto-Indo-European *dwóh1 Proto-Indo-European *d(w)is- Proto-Italic *dis- Latin dis- Old French des- Proto-Indo-European *(s)teyg- Proto-Germanic *stikaną Proto-West Germanic *stekander. Old French atachier Old French destachier Middle French destacherbor. Italian distaccare Italian staccare Italian attaccarebor. French attaquerdeverb. French attaquebor. English attack 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 unattackable From un- + attack + -able.