I. (ˈ)in, ən+ adjective
Etymology: Middle English, from Latin inseparabilis, from in- in- (I) + separabilis separable
1. : not separable : incapable of being separated or disjoined
2. : invariably attached to a word, stem, or root
un- is an inseparable prefix
• in·separableness “+ noun
• in·separably “+ adverb
II. noun
( -s )
: one that is inseparable from another — usually used in plural