To make something accessible or removing an obstacle to something being accessible.
To spread out or open from a closed or folded state.
The act of something that automatically opens.
Straightforward and direct without reserve or secretiveness.
To make a hole or a passage unobstructed by removing a cover (like a window sash, door, etc.) from it.
To make the opening move, e.g. in chess.
To make available.
To begin or set in action, of meetings, speeches, recitals, etc.
To start to operate or function or cause to start operating or functioning (e.g. a business).
To cause to open or to become open.
To become open.
afford access to; "the door opens to the patio"; "The French doors give onto a terrace"
not defended or capable of being defended; "an open city"; "open to attack"
without any attempt at concealment; completely obvious; "open disregard of the law"; "open family strife"; "open hostility"; "a blatant appeal to vanity"; "a blazing indiscretion"
openly straightforward and direct without reserve or secretiveness; "his candid eyes"; "an open and trusting nature"
affording free passage or view; "a clear view"; "a clear path to victory"; "a free lane"
with no protection or shield; "the exposed northeast frontier"; "open to the weather"; "an open wound"
(of textures) full of small openings or gaps; "an open texture"; "a loose weave"
ready for business; "the stores are open"
not having been filled; "the job is still open"
receptive to new ideas; "an open mind"; "open to new ideas"
opened out; "an open newspaper"
relatively empty of and unobstructed by fences or hedges or headlands or shoals; "in open country"; "the open countryside"; "open waters"; "on the open seas"
sincere and free of reserve in expression; "Please be open with me"
without undue constriction as from e.g. tenseness or inhibition; "the clarity and resonance of an open tone"; "her natural and open response"
affording free passage or access; "open drains"; "the road is open to traffic"; "open ranks"
having no protecting cover or enclosure; "an open boat"; "an open fire"; "open sports cars"
(mathematics) of a set; containing points whose neighborhood consists of other points of the same set, or being the complement of an open set; of an interval; containing neither of its end points
open to or in view of all; "an open protest"; "an open letter to the editor"
accessible to all; "open season"; "an open economy"
not secret; "open plans"; "an open ballot"
not requiring union membership; "an open shop employs nonunion workers"
a tournament in which both professionals and amateurs may play
make the opening move, in chess; "Kasparov opened with a standard opening"
display the contents of a file or start an application
begin or set in action, of meetings, speeches, recitals, etc; "He opened the meeting with a long speech"
have an opening or passage or outlet; "The bedrooms open into the hall"
a clear or unobstructed space or expanse of land or water: "finally broke out of the forest into the open"
used of mouth or eyes; "keep your eyes open"; "his mouth slightly opened"
not sealed or having been unsealed; "the letter was already open"; "the opened package lay on the table"
make available, as of an opportunity; "This opens up new possibilities"
become available; "an opportunity opened up"
cause to open or to become open; "Mary opened the car door"
become open; "The door opened"
start to operate or function or cause to start operating or functioning; "open a business"
information that has become public; "all the reports were out in the open"; "the facts had been brought to the surface"
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"
affording unobstructed entrance and exit; not shut or closed; "an open door"; "they left the door open"
lax in enforcing laws; "an open town"
where the air is unconfined; "he wanted to get out in the air a little"; "the concert was held in the open air"; "camping in the open"
open and observable; not secret or hidden; "an overt lie"; "overt hostility"; "overt intelligence gathering"
spread out or open from a folded state; "open the map"
(music) used of string or hole or pipe of instruments
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 clear or unobstructed space or expanse of land or water; "finally broke out of the forest into the open"
make available; "This opens up new possibilities"
make the opening move; "Kasparov opened with a standard opening"
spread out or open from a closed or folded state; "open the map"; "spread your arms"
display the contents of a file or start an application as on a computer
begin or set in action, of meetings, speeches, recitals, etc.; "He opened the meeting with a long speech"
openly straightforward and direct without reserve or secretiveness; "his candid eyes"; "an open and trusting nature"; "a heart-to-heart talk"
affording free passage or view; "a clear view"; "a clear path to victory"
used of string or hole or pipe of instruments
of a set; containing points whose neighborhood consists of other points of the same set, or being the complement of an open set; of an interval; containing neither of its end points
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"
information that has become public
where the air is unconfined
a clear or unobstructed space or expanse of land or water
make available
become available
make the opening move
cause to open or to become open
become open
spread out or open from a closed or folded state
afford access to
begin or set in action, of meetings, speeches, recitals, etc.
start to operate or function or cause to start operating or functioning
have an opening or passage or outlet
ready for business
not having been filled
openly straightforward and direct without reserve or secretiveness
without undue constriction as from e.g. tenseness or inhibition
affording free passage or view
affording unobstructed entrance and exit; not shut or closed
affording free passage or access
used of mouth or eyes
having no protecting cover or enclosure
(set theory) of an interval that contains neither of its endpoints
open and observable; not secret or hidden
open to or in view of all
with no protection or shield
ready or willing to receive favorably
accessible to all
not sealed or having been unsealed
not brought to a conclusion; subject to further thought