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open
/'oʊpən/
Synonyms of open Antonyms of open Examples of open Usage of open Parts of open Definition that contains open Words sounding like open Explanation of open

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Definitions of open
  1. adjective
    (of textures) full of small openings or gaps
    "an open texture"

    Similar: 

    loose harsh coarse
  2. adjective
    not defended or capable of being defended
    "an open city" "open to attack"

    Similar: 

    assailable undefendable undefended vulnerable
  3. adjective
    possibly accepting or permitting
    "open to interpretation" "an issue open to question"

    Similar: 

    capable subject susceptible
  4. adjective
    with no protection or shield
    "open to the weather" "an open wound"

    Similar: 

    exposed unprotected
  5. adjective
    not sealed or having been unsealed
    "the letter was already open" "the opened package lay on the table"

    Similar: 

    opened unsealed
  6. adjective
    openly straightforward and direct without reserve or secretiveness
    "an open and trusting nature"

    Similar: 

    candid heart-to-heart ingenuous artless
  7. adjective
    affording free passage or view
    "open waters" "the open countryside"

    Similar: 

    clear unobstructed
  8. verb
    start to operate or function or cause to start operating or functioning
    "open a business"

    Similar: 

    open up
    Opposite:
    close
  9. noun
    a clear or unobstructed space or expanse of land or water
    "finally broke out of the forest into the open"

    Similar: 

    clear
    type of:
    country area
  10. adjective
    ready or willing to receive favorably

    Similar: 

    receptive assimilative acceptant admissive hospitable acceptive
  11. adjective
    used of mouth or eyes
    "keep your eyes open" "his mouth slightly opened"

    Similar: 

    opened yawning gaping wide agape staring wide-eyed agaze
    Opposite:
    closed
  12. verb
    spread out or open from a closed or folded state
    "open the map"

    Similar: 

    spread spread out unfold
    type of:
    undo
  13. verb
    become available
    "an opportunity opened up"

    Similar: 

    open up
    type of:
    arise come up
  14. verb
    afford access to
    "the door opens to the patio"

    Similar: 

    afford give
  15. adjective
    open and observable; not secret or hidden
    "open ballots"

    Similar: 

    overt bald barefaced visible undisguised naked raw
  16. noun
    where the air is unconfined
    "the concert was held in the open air" "camping in the open"

    Similar: 

    open air out-of-doors outdoors
    type of:
    exterior outside
  17. adjective
    affording unobstructed entrance and exit; not shut or closed
    "an open door" "they left the door open"

    Similar: 

    unfastened ajar wide-open
    Opposite:
    shut
  18. verb
    become open
    "The door opened"

    Similar: 

    open up
    Opposite:
    close
    type of:
    turn change state
  19. noun
    information that has become public
    "all the reports were out in the open"

    Similar: 

    surface
  20. verb
    make available
    "This opens up new possibilities"

    Similar: 

    open up
    type of:
    yield afford give
  21. verb
    cause to open or to become open
    "Mary opened the car door"

    Similar: 

    open up
    Opposite:
    close
  22. adjective
    not brought to a conclusion; subject to further thought
    "an open question"

    Similar: 

    undecided undetermined unresolved unsettled
  23. adjective
    accessible to all
    "open season" "an open economy"

    Similar: 

    unrestricted
  24. adjective
    affording free passage or access
    "open drains" "the road is open to traffic" "open ranks"

    Similar: 

    opened unstoppered yawning
    Opposite:
    closed
  25. noun
    a tournament in which both professionals and amateurs may play
    type of:
    tournament tourney
  26. verb
    begin or set in action, of meetings, speeches, recitals, etc.
    "He opened the meeting with a long speech"
    Opposite:
    close
  27. verb
    display the contents of a file or start an application as on a computer
    Opposite:
    close
  28. adjective
    having no protecting cover or enclosure
    "an open boat" "an open fire" "open sports cars"

    Similar: 

    unenclosed
  29. verb
    make the opening move
    "Kasparov opened with a standard opening"
    type of:
    go move
  30. adjective
    not having been filled
    "the job is still open"

    Similar: 

    available
  31. adjective
    not requiring union membership
    "an open shop employs nonunion workers"

    Similar: 

    nonunion
  32. adjective
    open to or in view of all
    "an open protest" "an open letter to the editor"

    Similar: 

    public
  33. adjective
    ready for business
    "the stores are open"

    Similar: 

    active
  34. adjective
    (set theory) of an interval that contains neither of its endpoints
    Opposite:
    closed
  35. adjective
    without undue constriction as from e.g. tenseness or inhibition
    "the clarity and resonance of an open tone" "her natural and open response"

    Similar: 

    unconstricted
  36. have an opening or passage or outlet
    "The bedrooms open into the hall"
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