I.M.

Isle of Man.

* * *

im-¹,

prefix. the form of in-¹ (Cf. ↑in-) before b, m, p, as in imbalance, immoral, impossible, impatient.

im-²

prefix. the form of in-² (Cf. ↑in-) before b, m, p, as in imbibe, immure, impart.

I'm «ym»,

I am.

IM (no periods),

infectious mononucleosis.

I.M.,

Isle (of) Man.