flippant

As adjectives the difference between flippant and sketchy

is that flippant is (archaic) glib; speaking with ease and rapidity while sketchy is roughly or hastily laid out; intended for later refinement.

As adjectives the difference between vulgar and flippant

is that vulgar is vulgar while flippant is (archaic) glib; speaking with ease and rapidity.

As adjectives the difference between flippant and candid

is that flippant is (archaic) glib; speaking with ease and rapidity while candid is impartial and free from prejudice.

As a noun candid is

a spontaneous or unposed photograph.

As adjectives the difference between flippant and feeble

is that flippant is (archaic) glib; speaking with ease and rapidity while feeble is deficient in physical strength; weak; infirm; debilitated.

As a verb feeble is

(obsolete) to make feeble; to enfeeble.

As adjectives the difference between flippant and obverse

is that flippant is (archaic) glib; speaking with ease and rapidity while obverse is turned or facing toward the observer.

As a noun obverse is

the heads side of a coin, or the side of a medal or badge that has the principal design.

As adjectives the difference between churlish and flippant

is that churlish is of or pertaining to a serf, peasant, or rustic while flippant is (archaic) glib; speaking with ease and rapidity.

As adjectives the difference between flippant and false

is that flippant is (archaic) glib; speaking with ease and rapidity while false is (label) one of two states of a boolean variable; logic.

As adjectives the difference between flippant and derisive

is that flippant is (archaic) glib; speaking with ease and rapidity while derisive is expressing or characterized by derision; mocking; ridiculing.

Unabashed is a related term of flippant.

As adjectives the difference between unabashed and flippant

is that unabashed is not disconcerted or embarrassed while flippant is (archaic) glib; speaking with ease and rapidity.