The difference between Chuckle and Giggle

When used as nouns, chuckle means a quiet laugh, whereas giggle means a high-pitched, silly laugh.

When used as verbs, chuckle means to laugh quietly or inwardly, whereas giggle means to laugh gently or in a high-pitched voice.

check bellow for the other definitions of Chuckle and Giggle

Chuckle as a verb:

To laugh quietly or inwardly.
Chuckle as a verb (transitive):

To communicate through chuckling.

Examples:

"She chuckled her assent to my offer as she got in the car."
Chuckle as a verb (intransitive, archaic):

To make the sound of a chicken; to cluck.
Chuckle as a verb (transitive, archaic):

To call together, or call to follow, as a hen calls her chickens; to cluck.

Examples:

"rfquotek John Dryden"
Chuckle as a verb (transitive, archaic):

To fondle; to indulge or pamper.

Examples:

"rfquotek John Dryden"

Giggle as a verb:

To laugh gently or in a high-pitched voice; to laugh in a silly or giddy way.

Examples:

"The jokes had them giggling like little girls all evening."

Giggle as a noun:

A high-pitched, silly laugh.
Giggle as a noun (informal):

Fun; an amusing episode.

Examples:

"We put itching powder down his shirt for giggles."

"The women thought it would be quite a giggle to have a strippergram at the bride's hen party."