Meaning of “heighten” in the English Dictionary

american-english dictionary

"heighten" in American English

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heightenverb [ I/T ]

us /ˈhɑɪt·ən/

to increase, esp. an emotion or effect:

[ I ] As the excitement heightened, the audience began stamping their feet.
[ T ] The high winds heightened concerns about forest fires.

(Definition of “heighten” from the Cambridge Academic Content Dictionary © Cambridge University Press)