mirth

As an adjective vivacious

is lively and animated; full of life and energy.

As a noun mirth is

the emotion usually following humour and accompanied by laughter; merriment; jollity; gaiety.

As nouns the difference between mirth and exuberance

is that mirth is the emotion usually following humour and accompanied by laughter; merriment; jollity; gaiety while exuberance is exuberance.

As nouns the difference between mirth and elation

is that mirth is the emotion usually following humour and accompanied by laughter; merriment; jollity; gaiety while elation is an exhilarating psychological state of pride and optimism.

As a noun mirth

is the emotion usually following humour and accompanied by laughter; merriment; jollity; gaiety.

As an adjective whimsical is

given to whimsy; capricious; odd; peculiar; playful; light-hearted or amusing.

As a noun mirth

is the emotion usually following humour and accompanied by laughter; merriment; jollity; gaiety.

As an adjective undefined is

lacking a definition or value.

Transport is a related term of mirth.

As nouns the difference between transport and mirth

is that transport is transport, transportation while mirth is the emotion usually following humour and accompanied by laughter; merriment; jollity; gaiety.

Mirth is a related term of animation.

As nouns the difference between mirth and animation

is that mirth is the emotion usually following humour and accompanied by laughter; merriment; jollity; gaiety while animation is animation.

Game is a related term of mirth.

As nouns the difference between game and mirth

is that game is a playful or competitive activity while mirth is the emotion usually following humour and accompanied by laughter; merriment; jollity; gaiety.

As an adjective game

is (colloquial) willing to participate.

As a verb game

is to gamble.

As nouns the difference between pleasure and mirth

is that pleasure is (uncountable) a state of being pleased while mirth is the emotion usually following humour and accompanied by laughter; merriment; jollity; gaiety.

As an interjection pleasure

is pleased to meet you.

As a verb pleasure

is to give or afford pleasure to; to please; to gratify.

As nouns the difference between buoyancy and mirth

is that buoyancy is (label) the upward force on a body immersed or partly immersed in a fluid while mirth is the emotion usually following humour and accompanied by laughter; merriment; jollity; gaiety.