tactless - definition and synonyms

adjective 

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/ˈtæk(t)ləs/
  1. someone who is tactless is not careful about the way that they speak or behave towards other people and so often upsets them

    He was blunt in speech and could be tactless.

    a tactless remark

derived words

tactlessly

adverb

tactlessness

noun [uncountable]