adj. showing inappropriate levity

adj. being or affecting or concerned with a surface; not deep or penetrating emotionally or intellectually; "superficial similarities"; "a superficial mind"; "his thinking was superficial and fuzzy"; "superficial knowledge"; "the superficial report didn't give the true picture"; "only superficial differences"

adj. lacking intellectual depth: "glib generalizations"; "shallow people"

adj. of comparatively little physical weight or density; "a light load"; "magnesium is a light metal--having a specific gravity of 1.74 at 20 degrees C"

adj. moving quickly and lightly; "sleek and agile as a gymnast"; "as nimble as a deer"; "nimble fingers"; "quick of foot"; "the old dog was so spry it was halfway up the stairs before we could stop it"

adj. marked by blithe unconcern; "an ability to interest casual students"; "showed a casual disregard for cold weather"; "an utterly insouciant financial policy"; "an elegantly insouciant manner"; "drove his car with nonchalant abandon"; "was polite in a teasing nonchalant manner"

adj. lacking seriousness; given to frivolity; "a dizzy blonde"; "light-headed teenagers"; "silly giggles"

adj. guided by whim and fancy; "flighty young girls"

adj. concerned with trivialities; "a trivial young woman"; "a trivial mind"