Invariable (adjective, noun)
in·var·i·a·ble [in-vair-ee-uh-buhl]
adjective
1. not variable; not changing or capable of being changed; static or constant.
noun
2. something that is invariable; a constant.
OTHER WORDS FROM INVARIABLE
in·var·i·a·bil·i·ty, in·var·i·a·ble·ness, noun
in·var·i·a·bly, adverb
WORDS RELATED TO INVARIABLE
set, constant, same, uniform, immovable, regular, static, changeless, consistent, fixed, immutable, inflexible, monotonous, perpetual, rigid, unalterable, unchangeable, unchanging, unfailing, unvarying
SYNONYMS FOR INVARIABLE
See synonyms for: invariable / invariability / invariably on Thesaurus.com
1. unalterable, unchanging, changeless, invariant, unvarying, immutable.
ANTONYMS
1. changing.
Origin: 1400–50; late Middle English; see in- , variable
EXAMPLE SENTENCES FROM THE WEB FOR INVARIABLE
Those are the words most people who have worked for Zaks invariable use.
NEW YORK’S GREATEST SHOW OR HOW THEY DID NOT SCREW UP ‘GUYS AND DOLLS’|ROSS WETZSTEON|APRIL 6, 2014|DAILY BEAST
The only invariable fact is the steady rise of Taliban potency.
HOLBROOKE'S DIPLOMATIC SCORE|M.J. AKBAR|FEBRUARY 13, 2009|DAILY BEAST
There is no proof positive that it was henceforth his invariable rule to put this kind of finish.
ANTONIO STRADIVARI|HORACE WILLIAM PETHERICK
Silica is an invariable constituent of the ash, but in most plants occurs but in small quantity.
ELEMENTS OF AGRICULTURAL CHEMISTRY|THOMAS ANDERSON