3. (noun)bug a small hidden microphone; for listening secretly
4. (noun)hemipterous insect, bug, hemipteran, hemipteron insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis
5. (verb)microbe, bug, germ a minutelifeform (especially a disease-causing bacterium); the term is not in technical use
6. (verb)tease, badger, pester, bug, beleaguer annoy persistently "The children teased the boy because of his stammer"
7. (verb)wiretap, tap, intercept, bug tap a telephone or telegraphwire to get information "The FBI was tapping the phone line of the suspected spy"; "Is this hotel room bugged?"