Adjective: invariable in'veh-ree-u-bul
- Not liable to or capable of change
"his invariable courtesy"; "an invariable temperature"; "an invariable rule"
- A quantity that does not vary
"The speed of light in a vacuum is an invariable quantity";
- constant, constant quantity
Derived forms: invariables
See also: changeless, consistent, constant, hard-and-fast, invariant, strict, unvarying
Type of: quantity
Antonym: variable