noun

cheerfulness

cheerfulness, happiness, good spirits

Her cheerfulness is infectious.

Her cheerfulness is infectious.

((sb.'s)) cheerfulness someone's cheerfulness His cheerfulness brightened the room.

Synonyms: happiness, joy, brightness; Antonyms: sadness, gloominess, misery

Formed from the adjective 'cheerful' and the noun-forming suffix '-ness', which indicates a state or quality.

This is the state or quality of being 'cheerful'. The '-ness' suffix often turns adjectives into nouns (e.g., happy -> happiness).

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