nonflat

As a noun terms

is .

As an adjective nonflat is

not flat in shape.

As an adjective nonflat

is not flat in shape.

As a noun nonfrat is

one who is not a frat (fraternity member).

As adjectives the difference between nonfat and nonflat

is that nonfat is containing no fat; fat free while nonflat is not flat in shape.

As adjectives the difference between flat and nonflat

is that flat is having no variations in height while nonflat is not flat in shape.

As an adverb flat

is so as to be flat.

As a noun flat

is an area of level ground or flat can be (archaic|new england|now chiefly british) an apartment.

As a verb flat

is (poker slang) to make a flat call; to call without.