gracile

As adjectives the difference between pontifical and gracile

is that pontifical is of or pertaining to a pontiff while gracile is slender; thin; lean.

As a noun pontifical

is a book containing the offices, or formulas, used by a pontiff.

As a noun slim

is slime, mucus.

As an adjective gracile is

slender; thin; lean.

As adjectives the difference between gracile and spindly

is that gracile is slender; thin; lean while spindly is characteristic of a spindle; slender and of weak appearance.

As a noun grackle

is any of several american blackbirds of the genus quiscalus having iridescent plumage.

As an adjective gracile is

slender; thin; lean.