chuckle /ˈt͡ʃʌkəl/noun 1verb 5adjective 1forms 5 noun1 •a soft, low laugh, often made with the mouth closed verb5 •To laugh quietly or inwardly. •To communicate through chuckling.She chuckled her assent to my offer as she got in the car. •(no longer used) To make the sound of a chicken; to cluck. •(no longer used) To call together, or call to follow, as a hen calls her chickens; to cluck.if these Birds are within distance, here's that will chuckle 'em together — 1690 •(no longer used) To fondle; to indulge or pamper. adjective1 •(no longer used) Clumsy. formschuckled · chuckling · chuckles · more chuckle · most chuckle