I. ˈbəg noun
Etymology: Middle English bugge hobgoblin; probably akin to Low German bögge goblin
Date: 14th century
obsolete : bogey , bugbear
II. noun
Etymology: origin unknown
Date: 1622
1.
a. : an insect or other creeping or crawling invertebrate (as a spider or centipede)
b. : any of several insects (as the bedbug or cockroach) commonly considered obnoxious
c. : any of an order (Hemiptera and especially its suborder Heteroptera) of insects that have sucking mouthparts, forewings thickened at the base, and incomplete metamorphosis and are often economic pests — called also true bug
2. : an unexpected defect, fault, flaw, or imperfection
the software was full of bug s
3.
a. : a germ or microorganism especially when causing disease
b. : an unspecified or nonspecific sickness usually presumed due to a bug
4. : a sudden enthusiasm
5. : enthusiast
a camera bug
6. : a prominent person
7. : a crazy person
8. : a concealed listening device
9.
[from its designation by an asterisk on race programs]
: a weight allowance given apprentice jockeys
III. verb
( bugged ; bug·ging )
Date: 1935
transitive verb
1. : to plant a concealed microphone in
2. : bother , annoy
don't bug me with petty details
intransitive verb
: to lose one's composure : freak — often used with out
IV. verb
( bugged ; bug·ging )
Etymology: probably from bug (II)
Date: 1865
intransitive verb
of the eyes : protrude , bulge — often used with out
transitive verb
: to cause to bug
his eyes were bugged with horror