๐ฃ๐ฟ๐ฒ๐ณ๐ถ๐ ๐ฎ๐ป๐ฑ ๐ฆ๐๐ณ๐ณ๐ถ๐ || English Grammar || Grammar || Definations of prefix and suffix A prefix is a word part that is added to the beginning of a word, while a suffix is a word part that is added to the end of a word: Prefix A prefix is a word part that is added to the beginning of a word to change its meaning or function.ย For example, the prefix "un-" means "not" or "the opposite of" as in the word "unusual". Suffix A suffix is a word part that is added to the end of a word to change its meaning or function.ย For example, the suffix "-est" means "the most" as in the word "smartest".ย ย