Prefix definition, an affix placed before a word, base, or another prefix to modify a term's meaning, as by making the term negative, as un- in unkind, by signaling repetition, as re- in reinvent, or by indicating support, as pro- in proabolition. Compatible prefixes can work together, as un- and re- in unrefundable. See more.

Prefixes are morphemes (specific groups of letters with particular semantic meaning) that are added onto the beginning of roots and base words to change their meaning. Prefixes are one of the two predominant kinds of affixes—the other kind is …

05/08/2016 · Prefixes are groups of words that you can add onto a root word to change its meaning. For example, a root word could be 'happy.' You …

A prefix is “a letter or group of letters that is added at the beginning of a word to change its meaning.” – Merriam Webster. Example: Pre fix = ‘fix’ is a stem and ‘pre’ is a prefix which changes the meaning of the stem and creates a new word. Anti biotic; A wake; Sym phony; Hemi sphere; List of Common Prefixes:

A prefix is a half word (e.g., anti-, ex-, post-, pre-) added to the front of a word to modify its meaning. Prefixes contrast with suffixes, which are added to the back of a word. Prefixes and suffixes are known as affixes.