open
nouns
a clear or unobstructed space or expanse of land or water
"finally broke out of the forest into the open"
where the air is unconfined
"he wanted to get outdoors a little"; "the concert was held in the open air"; "camping in the open"
a tournament in which both professionals and amateurs may play
is a type of (narrower)
a sporting competition in which contestants play a series of games to decide the winner
verbs
cause to open or to become open
"Mary opened the car door"
start to operate or function or cause to start operating or functioning
"open a business"
begin or set in action, of meetings, speeches, recitals, etc.
"He opened the meeting with a long speech"
is derived from
is derived from
is derived from
antonym
see also
is a type of (narrower)
get off the ground
"Who started this company?"; "We embarked on an exciting enterprise"; "I start my day with a good breakfast"; "We began the new semester"; "The afternoon session begins at 4 PM"; "The blood shed started when the partisans launched a surprise attack"
spread out or open from a closed or folded state
"open the map"; "spread your arms"
is derived from
have an opening or passage or outlet
"The bedrooms open into the hall"
make the opening move
"Kasparov opened with a standard opening"
is derived from
domain category
a board game for two players who move their 16 pieces according to specific rules; the object is to checkmate the opponent's king
afford access to
"the door opens to the patio"; "The French doors give onto a terrace"
is derived from
display the contents of a file or start an application as on a computer
antonym
adjectives
affording unobstructed entrance and exit; not shut or closed
"an open door"; "they left the door open"
antonym
affording free passage or access
"open drains"; "the road is open to traffic"; "open ranks"
antonym
is similar to
(of a container) having the stopper removed
"whiskey spilled from the unstoppered bottle"
is similar to
gaping open as if threatening to engulf someone or something
"the yawning mine shaft"; "a yawning abyss"
see also
affording unobstructed entrance and exit; not shut or closed
"an open door"; "they left the door open"
see also
not closed or secured with or as if with a seal
"unsealed goods"; "the letter arrived unsealed"
with no protection or shield
"the exposed northeast frontier"; "open to the weather"; "an open wound"
open to or in view of all
"an open protest"; "an open letter to the editor"
is similar to
not private; open to or concerning the people as a whole
"the public good"; "public libraries"; "public funds"; "public parks"; "a public scandal"; "public gardens"; "performers and members of royal families are public figures"
used of mouth or eyes
"keep your eyes open"; "his mouth slightly opened"
antonym
not having been filled
"the job is still open"
is similar to
obtainable or accessible and ready for use or service
"kept a fire extinguisher available"; "much information is available through computers"; "available in many colors"; "the list of available candidates is unusually long"
accessible to all
"open season"; "an open economy"
not defended or capable of being defended
"an open city"; "open to attack"
having no protecting cover or enclosure
"an open boat"; "an open fire"; "open sports cars"
is similar to
not closed in our surrounded or included
"an unenclosed porch"; "unenclosed common land"
(set theory) of an interval that contains neither of its endpoints
antonym
domain category
a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
not brought to a conclusion; subject to further thought
"an open question"; "our position on this bill is still undecided"; "our lawsuit is still undetermined"
not sealed or having been unsealed
"the letter was already open"; "the opened package lay on the table"
without undue constriction as from e.g. tenseness or inhibition
"the clarity and resonance of an open tone"; "her natural and open response"
is derived from
is similar to
not constricted physically or by extension psychologically
"healthy unconstricted arteries"
ready or willing to receive favorably
"receptive to the proposals"
is derived from
open and observable; not secret or hidden
"an overt lie"; "overt hostility"; "overt intelligence gathering"; "open ballots"
is derived from
not requiring union membership
"an open shop employs nonunion workers"
is similar to
not belonging to or not allowing affiliation with a trade union
"nonunion carpenters"; "a nonunion contractor"
possibly accepting or permitting
"a passage capable of misinterpretation"; "open to interpretation"; "an issue open to question"; "the time is fixed by the director and players and therefore subject to much variation"
affording free passage or view
"a clear view"; "a clear path to victory"; "open waters"; "the open countryside"
is derived from
openly straightforward and direct without reserve or secretiveness
"his candid eyes"; "an open and trusting nature"; "a heart-to-heart talk"
is derived from
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