A Suffix

1. (grammar, linguistic morphology) A morpheme added at the end of a word to modify the word's meaning.Synonym: affix (narrow sense)Antonym: prefixHypernym: affix (broad sense)
2. (mathematics) A subscript.
3. (computing) A final segment of a string of characters.

Usage notes

• The plural suffices occasionally appears (including in one educational publication), but it is not a standard plural and has no basis in the Latin origin of the term.