"defeats" in the noun sense
1. defeat, licking
an unsuccessful ending to a struggle or contest
"it was a narrow defeat"
"the army's only defeat"
"they suffered a convincing licking"
2. frustration, defeat
the feeling that accompanies an experience of being thwarted in attaining your goals
"defeats" in the verb sense
1. get the better of, overcome, defeat
win a victory over
"You must overcome all difficulties"
"defeat your enemies"
"He overcame his shyness"
"He overcame his infirmity"
"Her anger got the better of her and she blew up"
2. kill, shoot down, defeat, vote down, vote out
thwart the passage of
"kill a motion"
"he shot down the student's proposal"
Source: WordNet® (An amazing lexical database of English)
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