postfix postfetal • postfixal · · · Info · Definitions · Synonyms · Characters · · postfix · · Text Latin · · Script 7 · · Length Definitions · · · (noun) an affix that is added at the end of the word. Synonyms: suffix. · · Noun Definition 1 Synonyms · · · suffix · · Synonym 1 Characters · · f latin small letter f U+0066 i latin small letter i U+0069 o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 x latin small letter x U+0078