IM

noun, plural IMs, IM’s
1.
.
2.
.
verb (used without object), IM’d or IMed, IM’ing or IMing.
3.
.
1.
Swimming. individual medley.
2.
Sports. .
3.
Also, I.M. Isle of Man.
1.
variant of 2. before b, m, p: imbrute; immigrate; impassion.
1.
variant of 3. before b, m, p: imbalance; immoral; imperishable.
1.
variant of 1. before b, m, p: imbed; immure; impose.
1.
a plural ending occurring in loanwords from Hebrew:
cherubim.
[ahym] /aɪm/
1.
contraction of I am.
abbreviation
1.
Isle of Man
abbreviation
1.
(computing) instant messaging
2.
Also i.m.. intramuscular
3.
(chess) International Master
prefix
1.
a variant of in-1 , in-2
/aɪm/
contraction
1.
I am

variant of in- before -b-, -m-, -p-, in the sense of “not, opposite of” (immobile, impersonal) as well as “in, into” (implant, impoverish). See in-. In some English words it alternates with em- (1).

IM abbr.
internal medicine

im- 1
pref.
Variant of in-1.

im- 2
pref.
Variant of in-2.
1.
immediately (shortwave transmission)
2.
immunoassay
3.
instant message
4.
intermediate modeling
5.
Internal Medicine
6.
intramedullary
7.
intramural
8.
intramuscular