Bug

insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis

a fault or defect in a computer program, system, or machine

a minute life form (especially a disease-causing bacterium); the term is not in technical use

a small hidden microphone; for listening secretly

general term for any insect or similar creeping or crawling invertebrate

tap a telephone or telegraph wire to get information

annoy persistently