constant
UK /ˈkɒnstənt/ · US /ˈkɑnstənt/ adjective, noun, proper noun
Forms constants
- adjective Unchanged through time or space; permanent.
- adjective Consistently recurring over time; persistent.
- adjective Steady in purpose, action, feeling, etc.
- adjective Firm; solid; not fluid.
- adjective (obsolete) Consistent; logical.
- adjective (computing, complexity theory) Bounded above by a constant. “constant time constant space”
- noun That which is permanent or invariable.
- noun (algebra) A quantity that remains at a fixed value throughout a given discussion or operation.
- noun (sciences) Any property of an experiment, determined numerically, that does not change under given circumstances.
- noun (computing) An identifier that is bound to an invariant value; a fixed value given a name to aid in readability of source code.
- proper noun (rare) A male given name from Latin, feminine equivalent Constance.
- proper noun A surname.
- proper noun A populated place in Saint George parish, Barbados.
Synonyms
nonchanging amaranthine solid ceaseless continual continuate continuous dreich endless eternal everlasting extended incessant incessive infinite never-ending nonstop ongoing perpetual persistent constant quantity invariable changeless invariant unvarying unceasing unremitting
Antonyms
Etymology
From Middle English constant, from Old French constant, from Latin constantem, accusative of constans, from cōnstāre (“to stand firm”). Displaced native Old English singal.
Webster’s 1913
- adjective Firm; solid; fixed; immovable; --opposed to fluid. [Obs.]
- adjective Not liable, or given, to change; permanent; regular; continuous; continually recurring; steadfast; faithful; not fickle.
- noun That which is not subject to change; that which is invariable.
- noun A quantity that does not change its value; --used in countradistinction variable. Absolute costant (Math.), one whose value is absolutely the same under all cirumstanes, as the number 10, or any numeral.
Etymology [L. onstans, -antis, p.pr. of constare to stand firm, to be consistent; con- + stare to stand: cf.F. constant. See Stand and f. Cost, v. t.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “constant”, CC BY-SA 4.0. Details