The term 'whim' is defined as an unpredictable or sudden DESIRE, IMPULSE, or change of mind. The crossword solutions for this term include BEE (3 letters), DREAM (5 letters), CONCEIT (7 letters), MOOD (4 letters), CROTCHET (8 letters), JOKE (4 letters), CRAZE (5 letters), KINK (4 letters), DESIRE (6 letters), ONA (3 letters), IDEA (4 letters), LARK (4 letters), NION (4 letters), URGE (4 letters), FANCY (5 letters), MAGGOT (6 letters), NOTION (6 letters), VAGARY (6 letters), CAPRICE (7 letters), and IMPULSE (7 letters). These words all have to do with sudden changes in thought or behavior, which is the definition of a whim. They range from more serious terms such as DESIRE and IMPULSE to more lighthearted terms such as JOKE and LARK. All of these words can be used to describe a whim, which is an unpredictable or sudden change of mind.