adjective / noun

invariable

in-VAIR-ee-uh-buhl/ɪnˈveriəbl/

Remaining unchanged across circumstances.

The standing stone remains invariable while the seasons change around it.

Three adjacent seasonal views show the same distinctive standing stone completely unchanged while the small tree and ground around it change.
Etymology

The negative prefix turns “changeable” into “not changeable.” This describes constancy or uniformity: something invariable stays the same rather than differing.

In context

Enhanced Public Domain99:41
it is an invariable fact that dragons are extremely Vigilant they never sleep
1900s Satire Audiobook: Anatole France - Penguin Island

More examples

  • The laboratory maintains an invariable temperature throughout the test.
  • Sunday dinner is an invariable part of our family routine.
  • An invariable keeps the same form in different grammatical contexts.

Forms

invariable · invariables

invariably adverb — Always, without exception or variation.

invariability noun — The quality of remaining unchanged across circumstances.

Similar words

unchanging
Directly describes something that stays the same over time.
constant
Often emphasizes continuity or a steady level rather than sameness.
fixed
Emphasizes being set and not readily adjustable or movable.