Standard Lemma guide

unbreakability

noun · 1 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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  • CMU ARPABET: AH0 N B R EY2 K AH0 B IH1 L IH0 T IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The quality of being impossible to break.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Examples

  • 2004, American Mathematical Society, Bulletin (new series) of the American Mathematical Society So when one speaks of the "unbreakability" of one-time pads, one is speaking only to the mathematical unbreakability of the cryptography and not to the underlying security system in which it is embedded.

Meaning relationships

Synonyms: unbreakableness

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 break Proto-Indo-European *-tḗr Proto-Indo-European *-dhlom Proto-Indo-European *-dhlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Proto-Indo-European *-teh2 Proto-Indo-European *-ts Proto-Indo-European *-teh2ts Proto-Italic *-tāts Latin -tās Latin -abilitas Middle French -abletébor. Middle English -ablete English -ability English breakability English unbreakability From un- + breakability.