immutable

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

not subject or susceptible to change or variation in form or quality or nature
- the view of that time was that all species were immutable, created by God
• Syn:
changeless
• Ant:
mutable
• Derivationally related forms:
changelessness (for: changeless), immutableness, immutability

• Từ trái nghĩa / Antonyms:
  mutable, changeable