Synonyms of variable
1
a
: able or apt to vary : subject to variation or changes
variable winds
variable costs
2
: characterized by variations
3
: having the characteristics of a variable
4
: not true to type : aberrant
used of a biological group or character

variable

2 of 2

noun

1
a
: a quantity that may assume any one of a set of values
b
: a symbol representing a variable
2
a
: something that is variable
b
: a factor in a scientific experiment that may be subject to change
3

Examples of variable in a Sentence

Adjective The winds were light and variable. The loan has a variable interest rate. Noun unemployment and other economic variables
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Interest rates are variable and subject to change at any time. Andreina Rodriguez, CNBC, 27 June 2026 Winds will be light and variable before becoming southerly at 5 to 10 mph in the morning. The Baltimore Sun, Baltimore Sun, 29 June 2026
Noun
CoStar recommends comparing cities that have games the same day since different days add other variables, such as weekends versus weekdays. Miami Herald, 29 June 2026 But the Golden Boot alone does not win a Ballon d’Or, and how far this Norway side travel is the only variable that matters. Sukhman Singh, New York Times, 29 June 2026 See All Example Sentences for variable

Word History

Etymology

Adjective

Middle English, borrowed from Anglo-French, borrowed from Late Latin variābilis "changeable," from Latin variāre "to make changeable, vary" + -ābilis -able

First Known Use

Adjective

14th century, in the meaning defined at sense 1a

Noun

1816, in the meaning defined at sense 1a

Time Traveler
The first known use of variable was in the 14th century

Browse Nearby Words

Cite this Entry

“Variable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/variable. Accessed 7 Jul. 2026.

Kids Definition

variable

1 of 2 adjective
vari·​able
ˈver-ē-ə-bəl
ˈvar-
1
: able to change : likely to be changed
variable winds
2
: having the characteristics of a variable
3
: not true to the usual or normal type
a variable species of wheat
variableness
ˈver-ē-ə-bəl-nəs
ˈvar-
noun
variably
-blē
adverb

variable

2 of 2 noun
1
a
: a quantity that may take on any one of a set of values
b
: a mathematical symbol representing a variable
2
: something that is variable
3
: a factor in a scientific experiment that may be subject to change
controlled all variables except temperature

Medical Definition

variable

1 of 2 adjective
1
: able or apt to vary : subject to variation or changes
allergy is perhaps the most variable of all diseasesH. G. Rapaport & Shirley Linde
2
: characterized by variations
3
: not true to type : aberrant
used of a biological group or character

variable

2 of 2 noun
: something that is variable

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