verb (used without object), chuck·led, chuck·ling.
- to laugh softly or amusedly, usually with satisfaction: They chuckled at the child’s efforts to walk.
- to laugh to oneself: to chuckle while reading.
- Obsolete. to cluck, as a fowl.
- a soft laugh, usually of satisfaction.
- Obsolete. the cluck of a hen.
- to laugh softly or to oneself
- (of animals, esp hens) to make a clucking sound
- a partly suppressed laugh
1590s, frequentative of Middle English chukken “make a clucking noise” (late 14c.), of echoic origin. It originally meant “noisy laughter.” Related: Chuckled; chuckling.