open

open
open ADJECTIVE 1) allowing access, passage, or view; not closed, fastened, or restricted. 2) exposed to view or attack; not covered or protected. 3) (open to) vulnerable or subject to. 4) spread out, expanded, or unfolded. 5) officially admitting customers or visitors; available for business. 6) (of an offer or opportunity) still available. 7) frank and communicative. 8) not finally settled; still admitting of debate. 9) (often open to) accessible, receptive, or available. 10) (open to) admitting of; making possible. 11) Music (of a string) allowed to vibrate along its whole length. 12) Phonetics (of a vowel) produced with a relatively wide opening of the mouth and the tongue kept low. 13) (of an electric circuit) having a break in the conducting path.
VERB 1) make or become open. 2) spread out; unfold or be unfolded. 3) formally begin or establish. 4) make available or more widely known. 5) (open on to/into) give access to. 6) (open out/up) become more communicative or confiding. 7) break the conducting path of (an electric circuit).
NOUN 1) (the open) fresh air or open countryside. 2) (Open) a championship or competition with no restrictions on who may compete.
the open air — Cf. ↑the open air
in open court — Cf. ↑in open court
in (or into) the open — Cf. ↑into the open
open-and-shut — Cf. ↑open-and-shut
open up (or open fire) — Cf. ↑open up
DERIVATIVES openable adjective openness noun.
ORIGIN Old English.

English terms dictionary. 2015.

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  • Open — O pen, a. [AS. open; akin to D. open, OS. opan, G. offan, Icel. opinn, Sw. [ o]ppen, Dan. aaben, and perh. to E. up. Cf. {Up}, and {Ope}.] 1. Free of access; not shut up; not closed; affording unobstructed ingress or egress; not impeding or… …   The Collaborative International Dictionary of English

  • Open — may refer to: Contents 1 Philosophy 2 Mathematics 3 Music and media …   Wikipedia

  • Open — O pen v. t. [imp. & p. p. {Opened}; p. pr. & vb. n. {Opening}.] [AS. openian. See {Open},a.] 1. To make or set open; to render free of access; to unclose; to unbar; to unlock; to remove any fastening or covering from; as, to open a door; to open… …   The Collaborative International Dictionary of English

  • Open Up — may refer to: Open Unified Process (OpenUP), an open source process framework Open Up!, opening up the Natural History Heritage for the Europeana project Open Up (song), a single by Leftfield released in 1993 Open Up (Cog single), a maxi single… …   Wikipedia

  • open up — {v.} 1. To show for the first time; make clear; reveal. * /The story of Helen Keller s life opened up a whole new world to Mary./ * /Einstein s theories opened up a whole new area for study./ 2. To make available; present an opportunity; offer. * …   Dictionary of American idioms

  • open up — {v.} 1. To show for the first time; make clear; reveal. * /The story of Helen Keller s life opened up a whole new world to Mary./ * /Einstein s theories opened up a whole new area for study./ 2. To make available; present an opportunity; offer. * …   Dictionary of American idioms

  • Open.... — Open....[1] was the original interactive television service on BSkyB s Sky platform. Running from launch in 1998 until October 2001, Open.... was run by British Interactive Broadcasting (BIB), a consortium owned by BSkyB, British Telecom, HSBC… …   Wikipedia

  • Open GI — is a software company based in Warndon, Worcester, England, with around 300 employees. It supplies a proprietary software programme to the insurance broking market that integrates with open market hardware and Microsoft applications. Systems used …   Wikipedia

  • Open — O pen, n. Open or unobstructed space; clear land, without trees or obstructions; open ocean; open water. To sail into the open. Jowett (Thucyd.). [1913 Webster] Then we got into the open. W. Black. [1913 Webster] {In open}, {In th open}, in full… …   The Collaborative International Dictionary of English

  • Open O — (majuscule: Ɔ, minuscule: ɔ) is a letter of the extended Latin alphabet. In the International Phonetic Alphabet, it represents the open mid back rounded vowel. It is used in the orthographies of many African languages using the African reference… …   Wikipedia

  • Open — O pen, v. i. 1. To unclose; to form a hole, breach, or gap; to be unclosed; to be parted. [1913 Webster] The earth opened and swallowed up Dathan, and covered the company of Abiram. Ps. cvi. 17. [1913 Webster] 2. To expand; to spread out; to be… …   The Collaborative International Dictionary of English

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