loser noun
ADJ. good | bad, poor He's extremely competitive and a bad loser. | born | big, main The main loser was the United Left, which lost eight seats. | real, ultimate If the teachers go on strike, the children are the ultimate losers.
VERB + LOSER back The film company thought they'd backed a loser until the film won an Oscar.
You can also check other dicts: loser (English, 中文解释 ), wordnet sense, Collins Definition