What is the meaning of affixed?

verb

• Attach to.
  • usage: "affix the seal here"
  • synonyms: affix, stick on
• Add to the very end.
  • usage: "He appended a glossary to his novel where he used an invented language"
  • synonyms: append, add on, supplement, affix
• Attach or become attached to a stem word.
  • usage: "grammatical morphemes affix to the stem"
  • synonyms: affix

adjective

• Firmly attached.
  • usage: "the affixed labels"