to show off

from The Collaborative International Dictionary of English v.0.48
Show \Show\, v. i. [Written also shew.]
   1. To exhibit or manifest one's self or itself; to appear; to
      look; to be in appearance; to seem.
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            Just such she shows before a rising storm. --Dryden.
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            All round a hedge upshoots, and shows
            At distance like a little wood.       --Tennyson.
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   2. To have a certain appearance, as well or ill, fit or
      unfit; to become or suit; to appear.
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            My lord of York, it better showed with you. --Shak.
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   {To show off}, to make a show; to display one's self.
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from The Collaborative International Dictionary of English v.0.48
Show \Show\, v. t. [imp. {Showed}; p. p. {Shown}or {Showed}; p.
   pr. & vb. n. {Showing}. It is sometimes written {shew},
   {shewed}, {shewn}, {shewing}.] [OE. schowen, shewen, schewen,
   shawen, AS. sce['a]wian, to look, see, view; akin to OS.
   scaw?n, OFries. skawia, D. schouwen, OHG. scouw?n, G.
   schauen, Dan. skue, Sw. sk?da, Icel. sko?a, Goth. usskawjan
   to waken, skuggwa a mirror, Icel. skuggy shade, shadow, L.
   cavere to be on one's guard, Gr. ??? to mark, perceive, hear,
   Skr. kavi wise. Cf. {Caution}, {Scavenger}, {Sheen}.]
   1. To exhibit or present to view; to place in sight; to
      display; -- the thing exhibited being the object, and
      often with an indirect object denoting the person or thing
      seeing or beholding; as, to show a house; show your
      colors; shopkeepers show customers goods (show goods to
      customers).
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            Go thy way, shew thyself to the priest. --Matt.
                                                  viii. 4.
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            Nor want we skill or art from whence to raise
            Magnificence; and what can heaven show more?
                                                  --Milton.
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   2. To exhibit to the mental view; to tell; to disclose; to
      reveal; to make known; as, to show one's designs.
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            Shew them the way wherein they must walk. --Ex.
                                                  xviii. 20.
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            If it please my father to do thee evil, then I will
            shew it thee, and send thee away.     --1 Sam. xx.
                                                  13.
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   3. Specifically, to make known the way to (a person); hence,
      to direct; to guide; to asher; to conduct; as, to show a
      person into a parlor; to show one to the door.
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   4. To make apparent or clear, as by evidence, testimony, or
      reasoning; to prove; to explain; also, to manifest; to
      evince; as, to show the truth of a statement; to show the
      causes of an event.
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            I 'll show my duty by my timely care. --Dryden.
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   5. To bestow; to confer; to afford; as, to show favor.
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            Shewing mercy unto thousands of them that love me.
                                                  --Ex. xx. 6.
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   {To show forth}, to manifest; to publish; to proclaim.

   {To show his paces}, to exhibit the gait, speed, or the like;
      -- said especially of a horse.

   {To show off}, to exhibit ostentatiously.

   {To show up}, to expose. [Colloq.]
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