1. [informal] A microorganism, especially one causing disease
   "I think I caught some kind of stomach bug";
   - microbe, germ
    
2. General term for any insect or similar creeping or crawling invertebrate
   "She wasn't afraid of bugs and often caught them to observe"
    
3. A fault or defect in a computer program, system, or machine
   "A bug in the software caused the system to crash";
   - glitch
    
4. Insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis
   "Stink bugs are a common type of hemipterous insect";
   - hemipterous insect, hemipteran, hemipteron
    
5. A small hidden microphone; for listening secretly
   "The detective planted a bug in the suspect's office";
   - wire

1. Annoy persistently
   "The children bugged the boy because of his stammer";
   - tease, badger, pester, beleaguer
    
2. Secretly listen in on a communication channel (esp. a telephone) in order to get information
   "Is this hotel room bugged?";
   - wiretap, tap, intercept
    
3. Put in place electronic eavesdropping equipment
   "his house is bugged";
   - wire

Derived forms: bugging, bugs, bugged

Type of: bedevil, crucify, defect, dun, earwig [Brit, informal], eavesdrop, fault, flaw, frustrate, insect, listen in, mic [informal], microorganism, microphone, mike, rag, torment

Part of: Hemiptera, order Hemiptera

Encyclopedia: Bug, Kentucky