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: (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 [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: (music) 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: not secret; "open plans"; "an open ballot"
21: 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}]
22: affording free passage or view; "a clear view"; "a clear
path to victory"; "a free lane" [syn: {clear}, {free}]
23: lax in enforcing laws; "an open town" [syn: {wide-open}, {lawless}]
24: openly straightforward and direct without reserve or
secretiveness; "his candid eyes"; "an open and trusting
nature" [syn: {candid}]
25: sincere and free of reserve in expression; "Please be open
with me"
26: receptive to new ideas; "an open mind"; "open to new ideas"
27: ready for business; "the stores are open"
n 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 out in the
air a little"; "the concert was held in the open air";
"camping in the open" [syn: {outdoors}, {out-of-doors}, {air},
{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}]
v 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 folded state; "open the map" [syn:
{unfold}, {spread}, {spread out}] [ant: {fold}]
6: make available, as of an opportunity; "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, in chess; "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 [ant:
{close}]