bug in WordNet English dictionary

1. annoy persistently
   "The children teased the boy because of his stammer"
   tease  badger  pester  bug  beleaguer 
   
2. tap a telephone or telegraph wire to get information
   "The FBI was tapping the phone line of the suspected spy"; "Is this hotel room bugged?"
   wiretap  tap  intercept  bug 
   

1. insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis
   hemipterous insect  bug  hemipteran  hemipteron 
   
2. general term for any insect or similar creeping or crawling invertebrate
   bug 
   
3. a minute life form (especially a disease-causing bacterium); the term is not in technical use
   microbe  bug  germ 
   
4. a small hidden microphone; for listening secretly
   bug 
   
5. a fault or defect in a computer program, system, or machine
   bug  glitch