WordWeb Online

1. Stick or fasten to
   "affix the seal here";
   - stick on
    
2. Add to the very end
   "He affixed a glossary to his novel where he used an invented language";
   - append, add on, supplement
    
3. Attach or become attached to a stem word
   "grammatical morphemes affix to the stem"

1. A linguistic element added to a word to produce an inflected or derived form

Derived forms: affixing, affixes, affixed

Type of: attach, bound form, bound morpheme

Part of: word

Encyclopedia: Affix