B2adjectiveformalacademicscience
US/ɪnˈver.i.ə.bəl/
UK/ɪnˈveə.ri.ə.bəl/
never changing; always the same in every case
In context
His invariable habit was to walk to the station before sunrise every morning.
The rules of the game are invariable and apply to every player.
The speed of light is an invariable quantity in a vacuum.
Words that go with invariable
adjective + noun
- invariable ruleThere is no invariable rule for this spelling.
- invariable habitCoffee at eight was his invariable habit.
- invariable patternThe data show an invariable pattern across all groups.
- invariable lawScientists look for an invariable law behind the pattern.
- invariable resultHeating the metal gave an invariable result.
verb + adjective
- remain invariableThe price remained invariable throughout the whole year.