unbreachable en · ADJ
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 breachable English unbreachable From un- + breachable.
Meanings
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(not-comparable) Impossible 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: