
Chuckle
Quiet Laughter
Chuckle implies a sound quieter than full laughter, often heard in intimate or calm situations.
She chuckled quietly while reading a funny text message.
Feeling Pleased
A chuckle can convey the person is feeling content, but doesn't want to laugh loudly.
After hearing the news, he chuckled to himself, pleased with the outcome.
Subtle Humor
Use 'chuckle' when describing a reaction to mild or subtle humor, not slapstick comedy.
The witty comment made her chuckle under her breath.