variable

[vair-ee-uh-buhl]
|

adjective

noun


Origin of variable

1350–1400; late Middle English < Latin variābilis, equivalent to vari(us) various + -ābilis -able
Related formsvar·i·a·bil·i·ty, var·i·a·ble·ness, nounvar·i·a·bly, adverbhy·per·var·i·a·bil·i·ty, nounhy·per·var·i·a·ble, adjectivehy·per·var·i·a·bly, adverbnon·var·i·a·bil·i·ty, nounnon·var·i·a·ble, adjectivenon·var·i·a·ble·ness, nounnon·var·i·a·bly, adverbun·var·i·a·ble, adjectiveun·var·i·a·ble·ness, nounun·var·i·a·bly, adverb
Can be confusedboundary limit parameter variable (see synonym study at boundary) (see usage note at parameter)variable variant

Synonyms for variable

3. vacillating, wavering, fluctuating, unsteady, mercurial.

Antonyms for variable

1, 3. constant.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for unvariably

variable

adjective

liable to or capable of changevariable weather
(of behaviour, opinions, emotions, etc) lacking constancy; fickle
maths having a range of possible values
(of a species, characteristic, etc) liable to deviate from the established type
(of a wind) varying its direction and intensity
(of an electrical component or device) designed so that a characteristic property, such as resistance, can be variedvariable capacitor

noun

something that is subject to variation
maths
  1. an expression that can be assigned any of a set of values
  2. a symbol, esp x, y, or z, representing an unspecified member of a class of objects, numbers, etcSee also dependent variable, independent variable
logic a symbol, esp x, y, z, representing any member of a class of entities
computing a named unit of storage that can be changed to any of a set of specified values during execution of a program
astronomy See variable star
a variable wind
(plural) a region where variable winds occur
Derived Formsvariability or variableness, nounvariably, adverb

Word Origin for variable

C14: from Latin variābilis changeable, from variāre to diversify
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unvariably

variable

n.

"quantity that can vary in value," 1816, from variable (adj.). Related: Variably; variability.

variable

adj.

late 14c., of persons, from Old French variable, from Latin variabilis "changeable," from variare "to change" (see vary). Of weather, seasons, etc., attested from late 15c.; of stars, from 1788.

Online Etymology Dictionary, © 2010 Douglas Harper

unvariably in Medicine

variable

[vârē-ə-bəl, văr-]

adj.

Likely to change or vary; subject to variation; changeable.
Tending to deviate, as from a normal or recognized type; aberrant.
Having no fixed quantitative value.

n.

Something that varies or that is prone to variation.
A quantity that is capable of assuming any of a set of values.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

unvariably in Science

variable

[vârē-ə-bəl]

A mathematical quantity capable of assuming any of a set of values, such as x in the expression 3x + 2.
A factor or condition that is subject to change, especially one that is allowed to change in a scientific experiment to test a hypothesis. See more at control.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.