facetious

As adjectives the difference between ludicrous and facetious

is that ludicrous is idiotic or unthinkable, often to the point of being funny while facetious is treating serious issues with deliberately inappropriate humour; flippant.

As an adjective facetious

is treating serious issues with deliberately inappropriate humour; flippant.

As a noun joker is

a person who makes jokes.

Facetious is a related term of waggish.

As adjectives the difference between facetious and waggish

is that facetious is treating serious issues with deliberately inappropriate humour; flippant while waggish is witty, jocular, like a wag.

Unconcerned is a related term of facetious.

As adjectives the difference between unconcerned and facetious

is that unconcerned is indifferent and having no interest; aloof while facetious is treating serious issues with deliberately inappropriate humour; flippant.

As adjectives the difference between cavalier and facetious

is that cavalier is not caring enough about something important while facetious is treating serious issues with deliberately inappropriate humour; flippant.

As a noun cavalier

is a military man serving on horse.

As adjectives the difference between facetious and hilarious

is that facetious is treating serious issues with deliberately inappropriate humour; flippant while hilarious is very funny; causing great merriment and laughter.

As adjectives the difference between factious and facetious

is that factious is of, pertaining to, or caused by factions while facetious is treating serious issues with deliberately inappropriate humour; flippant.

As a verb justing

is .

As a noun justing

is .

As an adjective facetious is

treating serious issues with deliberately inappropriate humour; flippant.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective facetious is

treating serious issues with deliberately inappropriate humour; flippant.

As adjectives the difference between facetious and facile

is that facetious is treating serious issues with deliberately inappropriate humour; flippant while facile is easy, now especially in a disparaging sense; contemptibly easy.