invariable
in‧var‧i‧a‧ble AC /ɪnˈveəriəbəl $ -ˈver-/
adjective
His invariable answer was ‘Wait and see.’
2. technical never changing
OPP variable:
Mass, unlike weight, is invariable.
in‧var‧i‧a‧ble AC /ɪnˈveəriəbəl $ -ˈver-/
adjective Word Family: noun: variable, variance, variant, variety, variability, variation; adjective: variable ≠ invariable, varied, various; adverb: variably ≠ invariably, variously; verb: vary
1. always happening in the same way, at the same time etc: 2. technical never changing
OPP variable: