suffix suffiction • suffixal · · · Info · Definitions · Synonyms · Antonyms · Characters · · suffix · · Text Latin · · Script 6 · · Length Definitions · · · (noun) an affix that is added at the end of the word. Synonyms: postfix. · · Noun Definition 1 (verb) attach a suffix to. Example: "Suffix words." · · Verb Definition 1 Synonyms · · · postfix · · Synonym 1 Antonyms · · · prefix · · Antonym 0 Characters · · f latin small letter f U+0066 i latin small letter i U+0069 s latin small letter s U+0073 u latin small letter u U+0075 x latin small letter x U+0078