American English

Definition of undertone noun from the Oxford Advanced American Dictionary

     

    undertone

     noun
    noun
    NAmE//ˈʌndərˌtoʊn//
     
    undertone (of something)
     
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  1. 1a feeling, quality, or meaning that is not expressed directly but is still noticeable from what someone says or does synonym undercurrent
  2. 2 His soft words contained an undertone of warning. The play does not have the political undertones of the novel. compare overtone
  3. Idioms
    in an undertone, in undertones
     
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    in a quiet voice “I must leave now,” he said in an undertone.
See the Oxford Advanced Learner's Dictionary entry: undertone