Levity
Lightness of disposition; lack of seriousness
Ant: sobriety; somberness
Hoax
A practical joke; trick
Amicable
Friendly; peaceable
Ant: quarrelsome; warlike
Obstreperous
Aggressively boisterous; stubborn and defiant
Ant: meek; tractable
Enraptured
Delighted beyond measure
Marital
Having to do with marriage
Ant: single
Bask
To expose oneself to pleasant warmth
Genial
Friendly; amiable
Ant: unfriendly
Charlatan
One who pretends to have knowledge in order to swindle others
Ant: professional
Mundane
Commonplace; earthly and not spiritual
Ant: unique
Fickle
Likely to change on a whim or without apparent reason
Ant: steadfast
Juggernaut
A terrible destructive or irresistible force
Naive
Simple in outlook; not affected or worldly; especially innocent
Ant: sophisticated; cunning
Nocturnal
Having to do with the night; occurring at night
Ant: diurnal
Novice
A beginner; one who is inexperienced
Ant: master