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Definition of buff adjective from the Oxford Advanced Learner's Dictionary

buff

adjective
 
/bʌf/
 
/bʌf/
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  1. pale yellow-brown in colour synonym beige
    • a buff envelope
    Topics Colours and Shapesc2
  2. (informal) physically fit and attractive, with big muscles
    • He was a tall buff guy in his thirties.
    Topics Appearancec2
  3. Word Originadjective mid 16th cent.: probably from French buffle, from Italian bufalo, from late Latin bufalus, from earlier bubalus, from Greek boubalos ‘antelope, wild ox’. The original sense in English was ‘buffalo’, later ‘oxhide’ or ‘colour of oxhide’.
See buff in the Oxford Advanced American Dictionary
aspiration
noun
 
 
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