a. An impulsive change of mind: "I find it a relief that plagues and cancers ... are the result of the impartial—and comprehensible—forces of evolution rather than ...
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Aug 15, 2016
a sudden change; especially : a sudden change in someone's mood or behavior.
Source: Merriam-Webster's Learner's Dictionary. Examples:
Borrowing from French
On a whim, he sold everything and left the city for the beautiful wilderness of
Alaska, but his act of