adj.
Pronunciation: ˌ ə n-ik- ' sep-sh( ə -)n ə -b ə l
Function: adjective
Etymology: un- + obsolete exception to take exception, object
Date: 1664
: not open to objection or criticism : beyond reproach : UNIMPEACHABLE < unexceptionable integrity>
– un · ex · cep · tion · able · ness noun
– un · ex · cep · tion · ably \ -bl ē \ adverb