considered to be shocking and unacceptable because it is morally wrong or unfair 醜惡的；道德敗壞的；駭人的 a monstrous lie/injustice 彌天大謊；駭人聽聞的不公
very large 巨大的 a monstrous wave 巨浪
very large, ugly and frightening 巨大醜陋的；龐大駭人的 a monstrous figure/creature 巨大的人影；駭人的動物
Word Originlate Middle English (in the sense ‘strange or unnatural’): from Old French monstreux or Latin monstrosus, from monstrum ‘portent or monster’, from monere ‘warn’. Current senses date from the 16th cent.