I. noun
1.
Synonyms: interior , inward(s), within
Antonyms: outside
2.
insides plural
Synonyms: entrails , gut(s), innards, internals, inwards, ||pudding(s), stuffing, tripes, viscera
II. adjective
1.
Synonyms: inner 1, ||innermore, interior, internal, intestine, inward
Antonyms: outside
2.
Synonyms: private 2, closet, confidential, hushed
III. adverb
Synonyms: indoors , within, withindoors, withinside
Antonyms: outside