open

adj
/ˈəʊ.pən/UK/ˈɒ.pɪn//ˈoʊ.pən/US

Etymology

Adjective from Middle English open, from Old English open (“open”), from Proto-West Germanic *opan, from Proto-Germanic *upanaz (“open”), from Proto-Indo-European *upo (“up from under, over”). Cognates * Scots apen (“open”) * Saterland Frisian eepen (“open”) * West Frisian iepen (“open”) * Cimbrian offe (“open”) * Dutch open (“open”) * German offen (“open”) * Vilamovian ufa, uffa (“open”) * Yiddish אָפֿן (ofn, “open”) * Danish åben (“open”) * Icelandic opinn (“open”) * Norwegian Bokmål åpen (“open”) * Norwegian Nynorsk open (“open”) * Swedish öppen (“open”) Compare also Latin supinus (“on one's back, supine”), Albanian hap (“to open”). Related to up. Verb from Middle English openen, from Old English openian (“to open”), from Proto-West Germanic *opanōn, from Proto-Germanic *upanōną (“to raise; lift; open”), from Proto-Germanic *upanaz (“open”, adjective). Cognate with Saterland Frisian eepenje (“to open”), West Frisian iepenje (“to open”), Dutch openen (“to open”), German öffnen (“to open”), Danish åbne (“to open”), Swedish öppna (“to open”), Norwegian Bokmål åpne (“to open”), Norwegian Nynorsk and Icelandic opna (“to open”). Related to English up. Noun from Middle English open (“an aperture or opening”), from the verb. In the sports sense, however, a shortening of “open competition”.

  1. inherited from open — “an aperture or opening
  2. inherited from *upanōną — “to raise; lift; open
  3. inherited from *opanōn
  4. inherited from openian — “to open
  5. inherited from openen
  6. derived from *upo — “up from under, over
  7. inherited from *upanaz — “open
  8. inherited from *opan
  9. inherited from open — “open
  10. inherited from open

Definitions

  1. Physically unobstructed, uncovered, etc.

    • Come in – the door's open.
    • The ice has cleared and the channel is open again.
  2. Able to be used or interacted with in some way.

    • Your bank account is now open.
    • Phone lines open at 10 pm.
    • This is the only option open to us.
  3. Not hidden or restricted.

    • It is a blatant example of open criminality.
    • His thefts were too open.
    • That I may find him, and with secret gaze / Or open admiration him behold.
  4. + 21 more definitions
    1. Not completed or finalised.

      • an open question
      • to keep an offer or opportunity open
    2. Having a free variable.

    3. Which is part of a predefined collection of subsets of X, that defines a topological…

      Which is part of a predefined collection of subsets of X, that defines a topological space on X.

    4. Of a note, played without pressing the string against the fingerboard.

    5. Of a note, played without closing any finger-hole, key or valve.

    6. Uttered with a relatively wide opening of the articulating organs

      Uttered with a relatively wide opening of the articulating organs; said of vowels.

      • "Supposing somebody sees you, with all those flowers too? Supposing somebody writes him a letter? Ooooh!" (a pure round open Tamil O.)
    7. Uttered, as a consonant, with the oral passage simply narrowed without closure.

    8. Source code of a computer program that is not within the text of a macro being generated.

    9. Having component words separated by spaces, as opposed to being joined together or…

      Having component words separated by spaces, as opposed to being joined together or hyphenated; for example, time slot as opposed to timeslot or time-slot.

    10. Of a club, bat or other hitting implement, angled upwards and/or (for a right-hander)…

      Of a club, bat or other hitting implement, angled upwards and/or (for a right-hander) clockwise of straight.

    11. To make or become physically unobstructed, uncovered, etc.

      • Turn the doorknob to open the door.
      • The door opened all by itself.
    12. To cause or allow a gap to form or widen.

      • Mudchester Rovers opened a sizeable lead on their rivals.
      • A link opened under the strain, and the chain came apart.
    13. To make or become available for use or interaction.

      • He opened a secret bank account in Switzerland.
      • We're opening the phone lines in ten minutes.
      • Phone lines will open in ten minutes.
    14. To start or begin.

      • The show was opened by a terrible Elvis impersonator.
      • Our band opened, and they came on second.
      • Vermont will open elk hunting season next week.
    15. To make an open relationship or marriage, i.e., with possible additional relationships.

    16. To disclose

      To disclose; to reveal; to interpret; to explain.

      • The king opened himself to some of his council, that he was sorry for the earl's death.
      • Unto thee have I opened my cause.
    17. Open or unobstructed space

      Open or unobstructed space; an exposed location.

      • I can't believe you left the lawnmower out in the open when you knew it was going to rain this afternoon!
      • Wary of hunters, the fleeing deer kept well out of the open, dodging instead from thicket to thicket.
    18. Public knowledge or scrutiny

      Public knowledge or scrutiny; full view.

      • We have got to bring this company's corrupt business practices into the open.
    19. A defect in an electrical circuit preventing current from flowing.

      • The electrician found the open in the circuit after a few minutes of testing.
    20. A sports event in which anybody can compete, especially or originally irrespective of…

      A sports event in which anybody can compete, especially or originally irrespective of amateur or professional status.

      • the Australian Open
    21. The act of something being opened, such as an e-mail message.

      • The total number of opens from original, or unique, subscribers.

The neighborhood

Vish — recursive loop

A definitional loop anchored at open. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01open02uncovered03covered04dealt05deal06indefinite07uncertain08questionable

A definitional loop anchored at open. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

8 hops · closes at open

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA