動詞 burn out:

1. melt, break, or become otherwise unusable
   同義詞：blow out, burn out, blow

形容詞 burned out:

1. exhausted as a result of longtime stress
   同義詞：burned-out, burnt-out
2. inoperative as a result of heat or friction
   同義詞：burned-out, burnt-out
3. destroyed or badly damaged by fire
   同義詞：burned, burnt, burned-over, burned-out, burnt-out