contraction

noun

con·​trac·​tion kən-ˈtrak-shən How to pronounce contraction (audio)
1
a
: the action or process of contracting
The hot metal undergoes contraction as it cools.
: the state of being contracted
b
: the shortening and thickening of a functioning muscle or muscle fiber
c
: a reduction in business activity or growth
d
: the act of acquiring or incurring (something, such as a debt) or catching (something, such as an infection)
contraction of pneumonia
2
: a shortening of a word, syllable, or word group by omission of a sound or letter
also : a form produced by such shortening
"They'll" is a contraction for "they will."
contractional adjective
contractive adjective
contractionary adjective

Examples of contraction in a Sentence

The hot metal undergoes contraction as it cools. Two teams were eliminated in the contraction of the baseball league. She felt contractions every two minutes.
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.
At the time, the agency had attributed the contraction to the country’s Golden Week holiday—when factories and businesses closed to start the first eight days of October—as well as the more complex global trade environment. Glenn Taylor, Sourcing Journal, 7 Nov. 2025 No ordinance was passed that declared the bottom 5 percent of Burgher children (later raised to 10) superfluous, but this was the beginning of a long period of economic contraction throughout the empire, and competition for a dwindling supply of guild positions became intense. George Packer, The Atlantic, 6 Nov. 2025 These contractions are called peristalsis. Sarah Hudgens, Health, 6 Nov. 2025 For companies who have shrunk their senior teams, this C-suite contraction has been driven by several factors. Sarah Abbott, MSNBC Newsweek, 5 Nov. 2025 See All Example Sentences for contraction

Word History

Etymology

Middle English contraccioun, borrowed from Anglo-French & Latin; Anglo-French contractiun, borrowed from Latin contractiōn-, contractiō "drawing together, compression of language," from contrac-, variant stem of contrahere "to draw together, reduce in size" + -tiōn-, -tiō, suffix of verbal action — more at contract entry 2

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of contraction was in the 15th century

Browse Nearby Words

Cite this Entry

“Contraction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/contraction. Accessed 9 Nov. 2025.

Kids Definition

contraction

noun
con·​trac·​tion kən-ˈtrak-shən How to pronounce contraction (audio)
1
a
: the act or process of contracting : the state of being contracted
b
: the shortening and thickening of a working muscle or muscle fiber
2
a
: a shortening of a word, syllable, or word group by leaving out a sound or letter
b
: a form (as don't or they've) produced by such shortening

Medical Definition

contraction

noun
con·​trac·​tion kən-ˈtrak-shən How to pronounce contraction (audio)
1
: the action or process of contracting : the state of being contracted
contraction of hepatitis
lung expansion and contraction in breathingP. G. Donohue
2
: the action of a functioning muscle or muscle fiber in which force is generated accompanied especially by shortening and thickening of the muscle or muscle fiber or sometimes by its lengthening
isometric contraction
isotonic contraction
especially : the shortening and thickening of a functioning muscle or muscle fiber
3
: one of usually a series of rhythmic tightening actions of the uterine muscles (as during menstruation or labor)

More from Merriam-Webster on contraction

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!