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1. Give off, send forth, or discharge; as of light, heat, or radiation, vapour, etc.
   "The ozone layer blocks some harmful rays which the sun gives out";
   - emit, give off
    
2. Give to several people
   "The teacher gave out the exams";
   - distribute, hand out, pass out
    
3. Prove insufficient
   - fail, run out
    
4. Stop operating or functioning
   "The engine gave out on the way to town";
   - fail, go bad, give way, die, conk out [informal], go, break, break down, pack up [Brit, informal]

Derived forms: gives out, given out, gave out, giving out

Type of: change, gift, give, present