Definition of crack-jaw in English:

crack-jaw

Line breaks: crack-jaw

adjective

archaic , • informal
  • (Of a word) difficult to pronounce.
    More example sentences
    • The editor omitted this crack-jaw medical and surgical word on the advice of the Professor.

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Word of the day maelstrom
Pronunciation: ˈmālˌsträm
noun
a powerful whirlpool in the sea