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

     

    brittle

     adjective
    adjective
    BrE BrE//ˈbrɪtl//
     
    ; NAmE NAmE//ˈbrɪtl//
     
     
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  1. 1hard but easily broken brittle bones/nails The paint was brittle with age. She had thin, brittle, permed hair.
  2. 2a brittle mood or state of mind is one that appears to be happy or strong but is actually nervous and easily damaged a brittle temperament
  3. 3(of a sound) hard and sharp in an unpleasant way a brittle laugh ‘Not at all,’ she said in a brittle voice, avoiding his eye.
  4. Word Origin late Middle English, ultimately of Germanic origin and related to Old English brēotan ‘break up’.Extra examples She had thin, brittle, permed hair.
See the Oxford Advanced American Dictionary entry: brittle