Antonyms can be formed by using prefixes.
Common Prefixes in English | Video
The opposites of the following words are formed by adding one of the prefixes from the list “MIS, DIS, UN, IM, IN”.
Antonym List Using “Dis” Prefix
Antonym List Using “Im” Prefix
Antonym List Using “Mis” Prefix
Antonym List Using “In” Prefix
Antonym List Using “Un” Prefix
