Home US English in-
1(added to adjectives) not.
2(added to nouns) without; lacking.
The prefix in- (as defined for both in- above and in- below) is also found assimilated in the following forms: il- before l; im- before b, m, or p; ir- before r
From Latin.
In; into; toward; within.
Representing in or the Latin preposition in.
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