adjadj.allnot subject or susceptible to change or variation in form or quality or natureSynset:immutable
Examples:- the view of that time was that all species were immutable, created by God
Antonyms:mutable
Derivationally Related Form:changelessnessimmutablenessimmutability
Inherited Hypernyms:immutable
adj satadj.allunvarying in natureSynset:constant invariant unvarying
Examples:- maintained a constant temperature
- principles of unvarying validity
Antonyms:variable
Derivationally Related Form:changelessnessconstancyinvariance
Inherited Hypernyms:changeless
Similar to:invariable
adj satadj.allremaining the same for indefinitely long timesSynset:unalterable
Antonyms:changeable
Derivationally Related Form:changelessnessunalterability
Inherited Hypernyms:changeless
Similar to:unchangeable