vain Meaning in the Cambridge English Dictionary
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Meaning of “vain” in the English Dictionary

"vain" in British English

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vainadjective

uk   us   /veɪn/

vain adjective (NOT SUCCESSFUL)

C2 unsuccessful; of no ​value: The ​doctors gave him more ​powerfuldrugs in the vain hope that he might ​recover.formal It was vain topretend to himself that he was not ​disappointed.in vain C1 unsuccessfully: I ​tried in vain to ​start a ​conversation. All the police's ​efforts to ​find him were in vain.

vain adjective (SELFISH)

C2 too ​interested in ​your own ​appearance or ​achievements: He was very vain about his ​hair and his ​clothes.
(Definition of vain from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"vain" in American English

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vainadjective [-er/-est only]

 us   /veɪn/

vain adjective [-er/-est only] (UNSUCCESSFUL)

unsuccessful or ​useless; ​failing to ​achieve a ​purpose: a vain ​attempt to ​avoidresponsibility Employers ​clearly hoped that the ​workers would ​staylonger, but ​theirefforts were ​largely in vain (= ​unsuccessful).

vain adjective [-er/-est only] (SELFISH)

too ​proud of yourself, esp. in ​yourappearance or ​achievements
(Definition of vain from the Cambridge Academic Content Dictionary © Cambridge University Press)
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