- in-
- I
aff. a prefix representing English in (income; indwelling; inland), used also as a verb-formative with transitive, intensive, or sometimes little apparent force (intrust; ingulf)It often assumes the same forms as in- II such as en- I,em- I,im- III•Etymology: ME, OE; see in IIin-aff. a prefix of Latin origin meaning primarily “in,” but used also as a verb-formative with the same force as in- (incarcerate; incantation)Also, il- I,im- I,ir- Compare em- I,en- I IIIin-aff. a prefix of Latin origin, corresponding to English un-, having a negative or privative force, freely used as an English formative, esp. of adjectives and their derivatives and of nouns (indefensible; inexpensive; invariable). It has the same variants before consonants as in- (immeasurable; illiterate; irregular, etc.)Compare il- II,im- II,ir- II
From formal English to slang. 2014.