Synonyms of invariant

Noun

1. invariant, feature, characteristic

usage: a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it

Adjective

1. invariant, invariable (vs. variable)

usage: unaffected by a designated operation or transformation

2. changeless, constant, invariant, unvarying, invariable (vs. variable)

usage: unvarying in nature; "maintained a constant temperature"; "principles of unvarying validity"

Definition and meaning of invariant (Dictionary)