open adj
1: affording unobstructed entrance and exit; not shut or closed; "an open door"; "they left the door open" [syn: unfastened] [ant: shut]
2: affording free passage or access; "open drains"; "the road is open to traffic"; "open ranks" [ant: closed]
3: with no protection or shield; "the exposed northeast frontier"; "open to the weather"; "an open wound" [syn: exposed]
4: open to or in view of all; "an open protest"; "an open letter to the editor"
5: used of mouth or eyes; "keep your eyes open"; "his mouth slightly opened" [syn: opened] [ant: closed]
6: not having been filled; "the job is still open"
7: accessible to all; "open season"; "an open economy"
8: not defended or capable of being defended; "an open city"; "open to attack" [syn: assailable, undefendable, undefended]
9: (of textures) full of small openings or gaps; "an open texture"; "a loose weave" [syn: loose]
10: having no protecting cover or enclosure; "an open boat"; "an open fire"; "open sports cars"
11: opened out; "an open newspaper"
12: 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 [ant: closed]
13: 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" [syn: undecided, undetermined, unresolved]
14: not sealed or having been unsealed; "the letter was already open"; "the opened package lay on the table" [syn: opened]
15: without undue constriction as from e.g. tenseness or inhibition; "the clarity and resonance of an open tone"; "her natural and open response"
16: 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"
17: open and observable; not secret or hidden; "an overt lie"; "overt hostility"; "overt intelligence gathering" [syn: overt] [ant: covert]
18: used of string or hole or pipe of instruments [syn: unstopped] [ant: stopped]
19: not requiring union membership; "an open shop employs nonunion workers" [syn: open(a)]
20: 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" [syn: capable, subject]
21: not secret; "open plans"; "an open ballot"
22: 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" [syn: blatant, blazing, conspicuous]
23: affording free passage or view; "a clear view"; "a clear path to victory" [syn: clear]
24: lax in enforcing laws; "an open town" [syn: wide-open, lawless]
25: openly straightforward and direct without reserve or secretiveness; "his candid eyes"; "an open and trusting nature"; "a heart-to-heart talk" [syn: candid, heart-to-heart]
26: sincere and free of reserve in expression; "Please be open with me"
27: receptive to new ideas; "an open mind"; "open to new ideas"
28: ready for business; "the stores are open" (noun)
1: a clear or unobstructed space or expanse of land or water; "finally broke out of the forest into the open" [syn: clear]
2: where the air is unconfined; "he wanted to get outdoors a little"; "the concert was held in the open air"; "camping in the open" [syn: outdoors, out-of-doors, open air]
3: a tournament in which both professionals and amateurs may play
4: information that has become public; "all the reports were out in the open"; "the facts had been brought to the surface" [syn: surface]
open
(verb)
1: cause to open or to become open; "Mary opened the car door" [syn: open up] [ant: close]
2: start to operate or function or cause to start operating or functioning; "open a business" [syn: open up] [ant: close]
3: become open; "The door opened" [syn: open up] [ant: close]
4: begin or set in action, of meetings, speeches, recitals, etc.; "He opened the meeting with a long speech" [ant: close]
5: spread out or open from a closed or folded state; "open the map"; "spread your arms" [syn: unfold, spread, [[spread out]]] [ant: fold]
6: make available; "This opens up new possibilities" [syn: [[open up]]]
7: become available; "an opportunity opened up" [syn: open up]
8: have an opening or passage or outlet; "The bedrooms open into the hall"
9: make the opening move; "Kasparov opened with a standard opening"
10: afford access to; "the door opens to the patio"; "The French doors give onto a terrace" [syn: afford, give]
11: display the contents of a file or start an application as on a computer [ant: close]