1. (

• bug ,

) general term for any insect or similar creeping or crawling invertebrate ;

2. (

• bug ,
• glitch

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

3. (

• bug

) a small hidden microphone; for listening secretly ;

4. (

• hemipterous_insect ,
• bug ,
• hemipteran ,
• hemipteron

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

5. (

• microbe ,
• bug ,
• germ

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

1. (

• tease ,
• badger ,
• pester ,
• bug ,
• beleaguer

) annoy persistently; "The children teased the boy because of his stammer" ;

2. (

• wiretap ,
• tap ,
• intercept ,
• bug

) 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?" ;