thirty
noun (plural thirties) Etymology: Middle English thritty, from thritty, adjective, from Old English thrītig, from thrītig group of 30, from thrīe three + -tig group of ten; akin to Old English tīen ten Date: before 12th century 1. — see number table 2. 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 • thirtieth adjective or nounthirty adjectivethirty pronoun, plural in constructionthirtyish adjective

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • thirty — [thʉrt′ē] adj. [LME thirti, metathetic for thritti < OE thritig < thri,THREE + tig, TY2] three times ten n. pl. thirties 1. the cardinal number between twenty nine and thirty one; 30; XXX ☆ 2. [prob. orig. te …   English World dictionary

  • Thirty — Thir ty, n.; pl. {Thirties}. 1. The sum of three tens, or twenty and ten; thirty units or objects. [1913 Webster] 2. A symbol expressing thirty, as 30, or XXX. [1913 Webster] …   The Collaborative International Dictionary of English

  • Thirty — Thir ty, a. [OE. thritty, AS. [thorn]r[=i]tig, [thorn]rittig; akin to D. dertig, G. dreissig, Icel. [thorn]rj[=a]t[=i]u, [thorn]rj[=a]tigi, [thorn]rir teger, Goth. [thorn]reis tigjus, i.e., three tens. See {Three}, and Ten, and cf. {Thirteen}.]… …   The Collaborative International Dictionary of English

  • thirty — early 15c. metathesis of O.E. þritig, from þri, þreo three + tig group of ten (see TY (Cf. ty) (1)). Cf. O.Fris. thritich, O.S. thritig, Du. dertig, O.H.G. drizzug, Ger. dreissig. Thirty Years War (1842) was a religious power struggle waged 1618… …   Etymology dictionary

  • thirty — (izg. tȇrti) br. DEFINICIJA sport drugi bod u igri tenisa; trideset ETIMOLOGIJA engl …   Hrvatski jezični portal

  • thirty — ► CARDINAL NUMBER (pl. thirties) ▪ ten less than forty; 30. (Roman numeral: xxx or XXX.) DERIVATIVES thirtieth ordinal number. ORIGIN Old English …   English terms dictionary

  • thirty — n. & adj. n. (pl. ies) 1 the product of three and ten. 2 a symbol for this (30, xxx, XXX). 3 (in pl.) the numbers from 30 to 39, esp. the years of a century or of a person s life. adj. that amount to thirty. Phrases and idioms: thirty first,… …   Useful english dictionary

  • thirty — /ˈθɜti / (say thertee) noun (plural thirties) 1. a cardinal number, ten times three. 2. a symbol for this number, as 30 or XXX. 3. (plural) the numbers from 30 to 39 of a series, especially with reference to the years of a person s age, or the… …   Australian English dictionary

  • thirty — noun /ˈθɜːti,ˈθɚɾij/ A rack of thirty beers …   Wiktionary

  • thirty — [[t]θɜ͟ː(r)ti[/t]] ♦ thirties 1) NUM Thirty is the number 30. 2) N PLURAL When you talk about the thirties, you are referring to numbers between 30 and 39. For example, if you are in your thirties, you are aged between 30 and 39. If the… …   English dictionary

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