an imaginary animal of incredible shape or form that is usu dangerous or horrifying
She is a monster without being a myth — Oscar Wilde
an animal or plant of esp grotesquely abnormal form or structure
something exceptionally large for its kind
informal (used before a noun) exceptionally large
monster tomatoes
a person of appalling ugliness, wickedness, or cruelty
[Middle English monstre via French from Latin monstrum omen, monster, prob from monēre to warn, remind]