Meanings
adjectiveunbreachable (not comparable)
- not comparableImpossible to breach
[…] we all love work and have a sworn, unbreachable fealty to our employer.
2009 January 7, Zoe Williams, “It's every cough mixture for itself in these times of ill”, in The Guardian
Synonyms & antonyms
Also see
Origin
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Germanic*un-
- Proto-West Germanic*un-
- Old Englishun-
- Middle Englishun-
- Englishun-
- Englishbreachable
- Englishunbreachable
From un- + breachable.
Full word history & related roots →Cite this entry
APA
unbreachable. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/unbreachable
MLA
“unbreachable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unbreachable. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “unbreachable,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/unbreachable.
Source: unbreachable on Wiktionary, CC BY-SA 4.0.