Apte Sanskrit-English Dictionary
ind. 1 As a prefix to verbs it implies separation (away from, outside of), certainty, completeness or fulness, enjoyment, crossing over, transgressing &c.; (for examples see under nir).
2 As a prefix to nouns, not directly derived from verbs, it forms nouns or adjectives, and has the sense of (a) ‘out of’, ‘away from’; as in nirvana, niṣkauśāṃbi; or (b) more usually, ‘not’, ‘without’, devoid of’ (having a...