antnyms
Words that are opposite in meaning are known as antonyms.
Words that are opposite or nearly opposite in meaning are called antonyms.Examples are big and small, or long and short. Not all words have antonyms.When two antonyms are used together for effect, it is called an oxymoron.(see the related question)
Words that have opposite meanings are called antonyms.
Words that have opposite meanings are called antonyms. Examples include "hot" and "cold," "fast" and "slow," and "happy" and "sad."
There are no opposite words for analyze. Also just saying the opposite of a word is called an antonym.
The word which means the opposite of another word is called an "antonym."
yes and no
an oxymoron
There is no collective term for words which do not have an opposite. They constitute the vast majority of words in the English language.
It's called a 'thesaurus'.
Thesaurus
The opposite of a word is called an antonym. You can usually find antonyms for words in any standard thesaurus.