WordReference Random House Learner's Dictionary of American English © 2020
ˈhot-ˈbut•ton, adj. 
  • arousing strong feelings;
    very emotional:abortion and other hot-button issues.

  • WordReference Random House Unabridged Dictionary of American English © 2020
    hot-but•ton  (hotbutn),USA pronunciation adj. 
  • exciting strong feelings;
    highly charged;
    emotional: hot-button issues.
    • 1985–90

    'hot-button' also found in these entries:
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