bug

Noun

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

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

• a small hidden microphone; for listening secretly

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

• general term for any insect or similar creeping or crawling invertebrate

Verb

• 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?
    

• annoy persistently
  • The children teased the boy because of his stammer
    

Related words

• Synonyms: 
  microbe , germ , hemipterous insect , hemipteran , hemipteron , glitch , wiretap , tap , intercept , tease , badger , pester , beleaguer