open open  /ˈoʊ pən/


  1. (n) a clear or unobstructed space or expanse of land or water
  2. (n) where the air is unconfined
  3. (n) a tournament in which both professionals and amateurs may play
  4. (n) information that has become public
  5. (v) cause to open or to become open
  6. (v) start to operate or function or cause to start operating or functioning
  7. (v) become open
  8. (v) begin or set in action, of meetings, speeches, recitals, etc.
  9. (v) spread out or open from a closed or folded state
  10. (v) make available
  11. (v) become available
  12. (v) have an opening or passage or outlet
  13. (v) make the opening move
  14. (v) afford access to
  15. (v) display the contents of a file or start an application as on a computer
  16. (adj) affording unobstructed entrance and exit; not shut or closed
  17. (adj) affording free passage or access
  18. (adj) with no protection or shield
  19. (adj) open to or in view of all
  20. (adj) used of mouth or eyes
  21. (adj) not having been filled
  22. (adj) accessible to all
  23. (adj) not defended or capable of being defended
  24. (adj) (of textures) full of small openings or gaps
  25. (adj) having no protecting cover or enclosure
  26. (adj) (set theory) of an interval that contains neither of its endpoints
  27. (adj) not brought to a conclusion; subject to further thought
  28. (adj) not sealed or having been unsealed
  29. (adj) without undue constriction as from e.g. tenseness or inhibition
  30. (adj) ready or willing to receive favorably
  31. (adj) open and observable; not secret or hidden
  32. (adj) not requiring union membership
  33. (adj) possibly accepting or permitting
  34. (adj) affording free passage or view
  35. (adj) openly straightforward and direct without reserve or secretiveness
  36. (adj) ready for business


Derived Word(s)


  1. The open-source movement is based on programmers writing software and then giving it away, with coding for all to see.
  2. This week the surviving Dionne sisters, Annette, Cecile and Yvonne, now 63, asked PTI to print this open letter to the McCaugheys: Dear Bobbi and Kenny,.
  3. Reform proposals would create national or state-based exchanges open to individuals and small businesses.


  1. US Open pairings: Golf stars abound in 156-man field

    US Open pairings: Tiger, check. Rory, ready. Phil, signed in. Who else might make a splash at Merion this week?
    on June 13, 2013     Source: The Christian Science Monitor

  2. Open Door center offers same-day pediatric care

    EUREKA -- Open Door Community Health Centers now offers extended hours for same-day pediatric care at Eureka Community Health and Wellness Center located at 2000 Tydd St.
    on June 13, 2013     Source: Eureka Times-Standard

  3. Open Road Acquires Jon Favreau's ‘Chef' Starring Sofia Vergara, Robert Downey Jr

    By Lucas Shaw NEW YORK ( - Open Road Films has acquired domestic distribution rights to Jon Favreau's "Chef," the studio announced on Wednesday. Favreau will direct the film from his own script about a chef who loses his job and decides to open a food truck. Favreau will also star as the chef with Sofia Vergara, Scarlett Johansson, Robert Downey Jr. and John Leguizamo filling out the ...
    on June 13, 2013     Source: Reuters via Yahoo! News


  1. "Tonight we open a small bottle of champagne and tomorrow we will open a big bottle," he said before a jubilant crowd of party members in Warsaw.
    on Jul 4, 2010 By: Bronislaw Komorowski Source:

  2. "After having witnessed such a situation," Blatter said, referring to England's non-goal against Germany, "we have to open again this file, definitely. Naturally, we will take on board again the discussion about technology. Something has to...
    on Jun 29, 2010 By: Sepp Blatter Source: The Canadian Press

  3. "Flash is a successful business for Adobe, and we can understand why they want to push it beyond PCs. But the mobile era is about low power devices, touch interfaces and open web standards - all areas where Flash falls short," Jobs wrote....
    on Jun 30, 2010 By: Steve Jobs Source: Huffington Post (blog)

Word of the Day
untenable untenable
/ən ˈtɛ nə bəl /