greatly

As adverbs the difference between greatly and gravely

is that greatly is (archaic) nobly; magnanimously while gravely is in a grave or serious manner.

As an adjective gravely is

characterised by gravel, pebbles, or small stones.

As adverbs the difference between intensely and greatly

is that intensely is in an intense manner while greatly is (archaic) nobly; magnanimously.

As adverbs the difference between undoubtedly and greatly

is that undoubtedly is without doubt while greatly is (archaic) nobly; magnanimously.

As adverbs the difference between reluctantly and greatly

is that reluctantly is in a reluctant or hesitant manner while greatly is (archaic) nobly; magnanimously.

As adverbs the difference between greatly and sincerely

is that greatly is (archaic) nobly; magnanimously while sincerely is in a sincere or earnest manner; honestly.

As an adverb greatly

is (archaic) nobly; magnanimously.

As an adjective undefined is

lacking a definition or value.

As adverbs the difference between greatly and excessively

is that greatly is (archaic) nobly; magnanimously while excessively is to an excessive degree.

As an adjective greatest

is (great).

As an adverb greatly is

(archaic) nobly; magnanimously.

As adverbs the difference between greatly and pretty

is that greatly is nobly; magnanimously while pretty is somewhat, fairly, quite; sometimes also (by meiosis) very.

As an adjective pretty is

cunning; clever, skilful.

As a noun pretty is

something that is pretty.

As a verb pretty is

to make pretty; to beautify.