1A sudden desire or change of mind, especially one that is unusual or unexplained: she bought it on a whim he appeared and disappeared at whim
More example sentences
- Apparently on a whim, Wonka suddenly decides to reopen his doors to five children.
- She did it on a whim when the opportunity presented itself, and she died four days later.
- He opened the door on a whim, expecting nothing, but instead, he was faced with four sets of eyes.
late 17th century: of unknown origin. sense 2 (mid 18th century) is a transferred use.