thirty
noun
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Definition of thirty
1 : a number equal to three times 10 — see Table of Numbers
2 thirties plural : the numbers 30 to 39 specifically : the years 30 to 39 in a lifetime or century
3 : a sign of completion : end —usually written 30 wrote thirty on the last page of the story
4 : the second point scored by a side in a game of tennis
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Other Words from thirty
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adjective or noun
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adjective
Examples of thirty in a Sentence
Recent Examples on the Web
On the second couch was another man, this one in his mid-thirties and wearing a suit, his cologne the essence of a crisp morning in the mountains. — Eric Johnson, Recode, "Google’s former PR boss Jessica Powell wrote a satirical novel about tech and published it all on Medium," 2 Oct. 2018 Their commander, US Air Force lieutenant colonel Peter Norsky, is in his mid-thirties. — Garrett M. Graff, WIRED, "The New Arms Race Threatening to Explode in Space," 26 June 2018 Stakee chalks that desire up to hitting his mid thirties, and also to returning to Europe after spending 10 years living in America. — Gary Graff, Billboard, "Alberta Cross Muses on 'The Transit of Life' With 'Find a Home Out There' Video: Premiere," 21 June 2018 The vast majority of extra-continentales are young men in their twenties and thirties who claim to be fleeing some danger back home. — Lauren Markham, The New Republic, "How efforts to block refugees and asylum-seekers from Europe have only made the global migration crisis more complex and harrowing," 26 Feb. 2018 Nobukazu Kuriki, in his mid-thirties, fell ill and was descending on Monday when his team lost contact with him, his team said on Facebook. — Bard Wilkinson, CNN, "Japanese climber Nobukazu Kuriki dies on eighth Everest attempt," 21 May 2018 Both in their thirties, the superstars are unlikely to return in Qatar in 2022. — John Leicester, chicagotribune.com, "Winds of football change blow at Russia World Cup," 7 July 2018 The man, who is believed to be in his thirties, was shot in the area of Brookford and Dacia streets in Dorchester around 9:50 p.m., Boston police wrote on their website. — Felicia Gans, BostonGlobe.com, "One man dead, four others injured in two separate July 4 shootings in Dorchester," 5 July 2018 The two-minute-thirty-second clip went live December 31, 2015. — Heran Mamo, Billboard, "XXXTentacion Discusses His History of Violence & Why He's Against Feminism in New Interview," 5 June 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thirty.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for thirty
thirty
noun
English Language Learners Definition of thirty
: the number 30
thirties : the numbers ranging from 30 to 39
: a set of years ending in digits ranging from 30 to 39
See the full definition for thirty in the English Language Learners Dictionary
thirty
adjective
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Kids Definition of thirty
(Entry 1 of 2)
: being three times ten
thirty
nounKids Definition of thirty (Entry 2 of 2)
: three times ten : 30
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