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| o·pen [ ṓpən ] |
adjective |
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| Definition: |
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1. not closed or locked: allowing people or things to pass through freely
  an open window
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2. allowing access to inside: with the lid, cork, or other device removed or in a position that allows access to the inside
an open box
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3. not sealed: not sealed, fastened, or wrapped
an open envelope
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4. apart or wide: with a part of the body widened or apart
The kitten's eyes were open.
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5. unfolded or apart: having been unfolded, extended, or left apart
A newspaper lay open on the table.
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6. frank and honest: not trying to hide anything or deceive anyone
open hostility
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7. public: conducted in a public manner
open hearings
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8. receptive: ready and willing to accept or listen to something such as new ideas or suggestions
I'm always open to suggestions.
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9. vulnerable: in a position in which blame, criticism, or attack are likely
That remark left him open to criticism.
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10. not enclosed: having no boundaries or enclosures
open countryside
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11. not covered: having no cover or roof
an open fire
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12. available to do business: ready for business and available for use by customers or clients
The gas station is still open.
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13. freely accessible: accessible to all, with no restrictions on entry, membership, or acceptance
an open meeting
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14. politics available to all registered voters: allowing all voters to participate, regardless of party affiliation
an open primary
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15. accessible to particular group: accessible to a particular group of interested people
This competition is open to all students under the age of 18.
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16. vacant: ready for or available to applicants
The vacancy is no longer open.
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17. U.S. turned on: switched on and ready to use
an open microphone
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18. not predetermined or decided: remaining undecided or unresolved
I'm trying to keep my options open.
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19. alert: in a state of focused attention and alertness
Keep your eyes and ears open.
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20. with no time restriction: with no restrictions on the period of use
an open ticket
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21. U.S. generous: very free or generous, especially with money
She gave to charity with an open hand.
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22. U.S. not having legal restrictions: not having restrictions that limit activities such as gambling or drinking
an open town
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23. medicine unprotected by skin: unprotected and exposed, with the skin cut, torn, or missing
an open wound
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24. medicine not blocked: free from blockage and therefore allowing unobstructed passage
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25. textiles having gaps: having small gaps or intervals between the stitches or threads
an open weave
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26. oceanography free from ice or other hazards: not covered by ice or containing objects dangerous to shipping
open water
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27. music not closed or muted: not closed off at the end, stopped by a finger, or covered with a mute
an open organ pipe
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28. meteorology without frost: mild and free of frost
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29. military known to be undefended: publicly declared not to be garrisoned or defended in wartime
an open city
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30. finance available without limitations: freely available without restrictions
open credit
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31. finance currently active: active and with transactions being made
an open bank account
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32. printing having unusually wide spaces: having wide spacing between printed lines
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33. phonetics said with lips apart: pronounced with the tongue low in the mouth and the lips well apart
an open vowel
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34. phonetics ending in vowel: describes a syllable that ends in a vowel
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35. grammar having separate elements: used to describe a compound word formed by two or more words that are spelled separately and without hyphenation
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36. chess without pawns: not having pawns as part of a file
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37. sports unguarded: unprotected by the assigned player
He left the goal wide open.
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38. sports having front foot back: in sports, having the front foot farther from the line along which the ball is to be hit than the back foot
Adopting an open stance, he began hitting the ball to the opposite field.
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39. football beyond line of scrimmage: describes the part of a football field beyond the line of scrimmage, where a ball carrier encounters fewer potential tacklers
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40. mathematics containing no endpoints: describes a mathematical interval that contains neither of a set's endpoints
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41. mathematics referring to set quality: describes a mathematical set that has at least one neighborhood of every point within the set
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42. mathematics serving as complement to closed set: describes a mathematical set that is in a complementary relation to a closed set
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verb (past and past participle o·pened, present participle o·pen·ing, 3rd person present singular o·pens) |
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| Definition: |
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1. transitive and intransitive verb unfasten from locked or closed position: to change position or move so as to allow access, or change the position of or move something such as a door or window in order to allow access
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2. transitive verb unseal or unfasten something: to remove or unseal the lid, cork, or other device that keeps something such as a container closed
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3. transitive verb unwrap something: to reveal the contents of something, e.g. by removing its wrapping
I opened the package.
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4. transitive and intransitive verb unfold to show inside: to unfold or spread something apart so that the inner part is revealed, or become unfolded or spread in this way
Open your books at page 75.
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5. transitive and intransitive verb part lips or eyelids: to move apart, or move the lips or eyelids apart
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6. transitive and intransitive verb start trading: to start selling, trading, or doing business, or allow clients or customers access to premises in order to buy, trade, or do business
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7. transitive and intransitive verb get under way: to start something formally, or get under way
She opened the meeting with a speech about the environment.
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8. transitive verb start account: to start an active banking or investment account
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9. transitive verb declare something ready: to make an official and usually public declaration that something is now ready for use or in session
The sports center was officially opened by the mayor.
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10. intransitive verb begin public performance: to start being shown to or performed for the general public for the first time
The show opens on Friday.
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11. transitive and intransitive verb become accessible to public: to be visited by the public, or become accessible to the public
The house opens to the public in August.
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12. transitive verb remove obstructions: to allow people free access to something when formerly this was denied or obstructed
The country had finally opened its borders to the West.
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13. intransitive verb give access to place: to provide access directly to another place
(
refers to part of a building
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The bedroom opened onto a large living room.
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14. transitive and intransitive verb be ready for new ideas: to become ready to accept new ideas, or make somebody ready to do this
Try opening your mind a bit.
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15. intransitive verb begin to rain: to produce a downpour
The heavens opened.
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16. intransitive verb uncurl: to become fully developed or spread out
(
refers to flowers or leaves
)
The daffodils will open soon.
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17. intransitive verb stock exchange start trading at particular value: to have a particular value at the start of a day's trading on a stock exchange
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18. transitive verb medicine empty bowels: to cause the bowels to evacuate
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19. transitive verb Malaysia switch something on: to switch on something such as a light or an electrical appliance
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noun (plural o·pens) |
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| Definition: |
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1. competition anyone can enter: a competition or championship in which anybody, amateur or professional, can compete
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2. outside: a large and unobstructed outdoor space
in the open
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3. unconcealed state: the state of being no longer hidden or held back
It's good to get all the facts out in the open.
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4. comput publicly available computer system: a product or system whose internal features and interfaces can be used or modified by users or developers in any way they wish
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| [ Old English, < Indo-European, "up from under, over"] |
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| o·pen·ness noun |
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