Antonyms, from the Greek anti ("opposite") and onoma ("name") are word pairs that are opposite in meaning, such as hot and cold, corpulent and skinny, and up and down. Words may have different antonyms, depending on the meaning. Both long and tall are antonyms of short. Antonyms are of four types: Gradable antonyms are two ends of the spectrum (slow and fast) but can have variations. Complementary antonyms are pairs that express absolute opposites, like mortal and immortal. Relational antonym… (More on Antonym)