Definition of "Dwarf" :

noun: a plant or animal that is atypically small

noun: a legendary creature resembling a tiny old man; lives in the depths of the earth and guards buried treasure

noun: a person who is markedly small

verb: check the growth of

"The lack of sunlight dwarfed these pines."

verb: make appear small by comparison

"This year's debt dwarfs that of last year."