variable

adjective
var·​i·​able | \ ˈver-ē-ə-bəl How to pronounce variable (audio) \

Definition of variable

 (Entry 1 of 2)

1a : 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

noun

Definition of variable (Entry 2 of 2)

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

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Other Words from variable

Adjective

variability \ ˌver-​ē-​ə-​ˈbi-​lə-​tē How to pronounce variability (audio) \ noun
variableness \ ˈver-​ē-​ə-​bəl-​nəs How to pronounce variableness (audio) \ noun
variably \ -​blē How to pronounce variably (audio) \ adverb

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
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Recent Examples on the Web: Adjective

Oyster seasons can be variable, but this is the first time in 15 years that the hatchery will likely fail to meet its annual goal of putting 500 million spat-on-shell out into the bay, Tobash Alexander said. Julia Rentsch, baltimoresun.com, "Maryland oysters are having a bad year, and here’s why," 18 Aug. 2019 The atmosphere is too variable for a Terrascope, as Kipping calls it, to produce beautiful images to rival the Hubble Space Telescope. Daniel Clery, Science | AAAS, "Space telescope would turn Earth into a giant magnifying lens," 6 Aug. 2019 Light breezes blow mainly from the south but could be more variable and gustier around any thunderstorms. Matt Rogers, Washington Post, "D.C.-area forecast: Muggy heat with scattered thunderstorms; then weekend improvement," 6 Aug. 2019 Harvests were variable and sometimes ravaged by cyclones. The Economist, "The murky world of Madagascar’s roaring vanilla trade," 5 July 2019 The extent to which you’ll be scared or charmed may be variable, though. Mike Hale, New York Times, "Review: ‘Stranger Things’ Reaches 1985 and Goes to the Mall," 3 July 2019 But what does that mean in a country where medical prices are so variable? Jonel Aleccia, The Seattle Times, "State laws ban surprise medical bills. A Washington woman got one for $227,000 — and fought back.," 30 Mar. 2019 Unfortunately, the onset of the first period after a miscarriage can be variable and unpredictable, happening anywhere from four to eight weeks after the miscarriage is completed. Jennifer Gerson, Marie Claire, "How Long After a Miscarriage Can I Start Trying Again?," 1 Oct. 2018 Costs of other services, such as mental health care, are widely variable and no accurate averages are available, officials said. Cynthia Hubert, sacbee, "This man cost Sacramento County more in one year than any other homeless person," 8 July 2018

Recent Examples on the Web: Noun

But the magnitude of the increase depended on many variables, including growing-season conditions. Jonathan Levin, BostonGlobe.com, "Tomato trade war eases as US agrees to end Mexico tariffs," 21 Aug. 2019 The difference between the groups came down to two variables: narcissism and sexism. Emma Grey Ellis, WIRED, "WIRED Takes a Good Hard Look at Dick Pics," 14 Aug. 2019 The family visited the towns, helping create scores for subjective variables, and gauging their overall vibe. Cassie Werber, Quartz at Work, "Solve your next big problem at work or home with the help of a logic tree," 7 Aug. 2019 The scientists presented several scenarios for temperature and rainfall over the course of the next century for the trees, based on different variables including age and location. Lauren M. Johnson, CNN, "We may have a future without Joshua trees thanks to climate change, study says," 2 Aug. 2019 But when and if there are future blackouts is uncertain. The company’s decision to turn off the power hinges on several variables, including the weather forecast, humidity and forest conditions. Kurtis Alexander, SFChronicle.com, "PG&E’s planned power shutdowns could choke off vital water supplies," 9 July 2019 Staying at a campground with hookups (water, electric, and sewer) ranges from $50 a night to more than $125 depending on the same variables. Kristi Valentini, Redbook, "The No-Fly, All-Fun Vacation," 13 July 2017 But there were several variables that many thought would add a new wrinkle to this year’s race after the new aero package and the traction compound was applied to the Kentucky Speedway’s racing surface. David J. Kim, The Courier-Journal, "What NASCAR Cup Series drivers thought about the track at the Quaker State 400," 14 July 2019 The convergence of multiple variables worked in Cleveland's favor to stage the All-Star Game, Lehman said. Marc Bona, cleveland.com, "All-Star Game aftermath: ‘Sports can be a calling card for a city’," 12 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'variable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of variable

Adjective

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

Noun

1816, in the meaning defined at sense 1a

History and Etymology for variable

Adjective

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

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More Definitions for variable

variability

noun

Financial Definition of variability

What It Is

Variability is the degree to which a data series deviates from its mean (or in the accounting world, how much a budgeted value differs from an actual value).

How It Works

For example, let's say Company XYZ stock has the following prices: