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Eighteen

/ˈeɪ.tiːn/

The cardinal number occurring after seventeen and before nineteen, represented in Roman numerals as XVIII and in Arabic numerals as 18.

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📖 Definitions of "Eighteen"

numeral

1
The cardinal number occurring after seventeen and before nineteen, represented in Roman numerals as XVIII and in Arabic numerals as 18.

🔄 Synonyms of "Eighteen"

3 synonyms found via WordNet and Google Books.

Word	Definition
cardinalnoun	Describing a “natural” number used to indicate quantity (e.g., zero, one, two, three), as opposed to an ordinal number indicating relative position.
18noun	(sports, snowboarding, skiing) Clipping of 1800 (“1800° spin”). [An aerial maneuver in which the performer spins through five full revolutions.]
xviiinoun	the cardinal number that is the sum of seventeen and one

💡 Words with a Similar Meaning to "Eighteen"

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
cardinalnoun	Describing a “natural” number used to indicate quantity (e.g., zero, one, two, three), as opposed to an ordinal number indicating relative position.
xviiinoun	the cardinal number that is the sum of seventeen and one
halfnoun	One of two usually roughly equal parts into which anything may be divided, or considered as divided.
18th	Abbreviation of eighteenth. [The ordinal form of the number eighteen.]
eightnoun	The digit/figure 8.
shapnoun	A linear village and civil parish (joint with Shap Rural parish) in Westmorland and Furness, Cumbria, England, previously in Eden district (OS grid ref NY5615).
octodecimonoun	(printing) A book consisting of pages of that size.
octodecimal	(arithmetic) Using eighteen as the base.
one-eight	—
nineteennoun	being one more than eighteen
sixteennoun	the cardinal number that is the sum of fifteen and one
fourteennoun	being one more than thirteen
thirteen	a 2003 drama film directed by Catherine Hardwicke, written by Hardwicke and Nikki Reed, and starring Holly Hunter, Evan Rachel Wood and Reed with Jeremy Sisto, Brady Corbet, Deborah Kara Unger, Kip Pardue, Sarah Clarke, D. W. Moffett, Vanessa Hudgens (in her film acting debut), and Jenicka Carey in supporting roles.
seventeen	an American bimonthly teen magazine headquartered in New York City.
fifteennoun	(Ireland, mostly in plural) An Irish traybake made with crushed digestive biscuits, marshmallows and glacé cherries combined with condensed milk and desiccated coconut.
twelvenoun	A group of twelve items.
twentynoun	(in the plural) The numbers twenty (20) to twenty-nine (29).
elevennoun	(countable, US, slang) A number off the charts of a hypothetical scale of one to ten.
thirty	(broadcasting) A commercial lasting 30 seconds.
fortynoun	Resembling or characteristic of a fort.