Definition of white–knuckle
: marked by, causing, or experiencing tense nervousness <a white–knuckle ride on a roller coaster> <a white–knuckle passenger>
First Known Use of white–knuckle
WHITE–KNUCKLE Defined for English Language Learners
Definition of white–knuckle for English Language Learners
: showing, experiencing, or causing very strong feelings of fear, anxiety, etc.
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