Definition of open - WordReference.com Dictionary

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open:

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Adapted From: WordNet 2.0 Copyright 2003 by Princeton University. All rights reserved.

open
A	noun
	1	open, surface
			information that has become public; "all the reports were out in the open"; "the facts had been brought to the surface"
		Category Tree: psychological feature ╚cognition; knowledge; noesis ╚public knowledge; general knowledge ╚open, surface
	2	open
			a tournament in which both professionals and amateurs may play
		Category Tree: event ╚social event ╚contest; competition ╚tournament; tourney ╚open
	3	outdoors, out-of-doors, open air, 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"
		Category Tree: entity ╚location ╚region; part ╚outside; exterior ╚outdoors, out-of-doors, open air, open
	4	open, clear
			a clear or unobstructed space or expanse of land or water; "finally broke out of the forest into the open"
		Category Tree: entity ╚location ╚region ╚area; country ╚open, clear
B	verb
	1	open, open up
			make available; "This opens up new possibilities"
		Category Tree: transfer ╚give ╚supply; provide; render; furnish ╚yield; give; afford ╚open, open up
	2	open, open up
			become available; "an opportunity opened up"
		Category Tree: happen; hap; go on; pass off; occur; pass; fall out; come about; take place ╚arise; come up ╚open, open up
	3	open
			make the opening move; "Kasparov opened with a standard opening"
		Category Tree: move; go ╚open
	4	open, open up
			cause to open or to become open; "Mary opened the car door"

	5	open, open up
			become open; "The door opened"
		Category Tree: change ╚change state; turn ╚open, open up ╚fly open ╚unfasten
	6	unfold, spread, spread out, open
			spread out or open from a closed or folded state; "open the map"; "spread your arms"
		Category Tree: change ╚change by reversal; turn; reverse ╚undo ╚unfold, spread, spread out, open ╚splay ╚uncross ╚butterfly ╚grass ╚exfoliate ╚divaricate
	7	open
			display the contents of a file or start an application as on a computer
		Category Tree: show ╚expose; exhibit; display ╚open
	8	afford, open, give
			afford access to; "the door opens to the patio"; "The French doors give onto a terrace"

	9	open
			begin or set in action, of meetings, speeches, recitals, etc.; "He opened the meeting with a long speech"
		Category Tree: begin; lead off; start; commence ╚start; start up; embark on; commence ╚open ╚call to order ╚inaugurate
	10	open, open up
			start to operate or function or cause to start operating or functioning; "open a business"

	11	open
			have an opening or passage or outlet; "The bedrooms open into the hall"

C	adjective
	1	open
			ready for business; "the stores are open"

	2	open
			not having been filled; "the job is still open"

	3	open
			receptive to new ideas; "an open mind"; "open to new ideas"

	4	open
			opened out; "an open newspaper"

	5	open
			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"

	6	open
			sincere and free of reserve in expression; "Please be open with me"

	7	candid, open, heart-to-heart
			openly straightforward and direct without reserve or secretiveness; "his candid eyes"; "an open and trusting nature"; "a heart-to-heart talk"

	8	open, wide-open, lawless
			lax in enforcing laws; "an open town"

	9	open
			without undue constriction as from e.g. tenseness or inhibition; "the clarity and resonance of an open tone"; "her natural and open response"

	10	clear, open
			affording free passage or view; "a clear view"; "a clear path to victory"

	11	open, unfastened
			affording unobstructed entrance and exit; not shut or closed; "an open door"; "they left the door open"

	12	open
			affording free passage or access; "open drains"; "the road is open to traffic"; "open ranks"

	13	open, opened
			used of mouth or eyes; "keep your eyes open"; "his mouth slightly opened"

	14	open
			having no protecting cover or enclosure; "an open boat"; "an open fire"; "open sports cars"

	15	unstopped, open
			used of string or hole or pipe of instruments

	16	open
			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

	17	overt, open
			open and observable; not secret or hidden; "an overt lie"; "overt hostility"; "overt intelligence gathering"

	18	open
			open to or in view of all; "an open protest"; "an open letter to the editor"

	19	exposed, open
			with no protection or shield; "the exposed northeast frontier"; "open to the weather"; "an open wound"

	20	open
			accessible to all; "open season"; "an open economy"

	21	open, opened
			not sealed or having been unsealed; "the letter was already open"; "the opened package lay on the table"

	22	blatant, blazing, conspicuous, open
			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"

	23	open
			not secret; "open plans"; "an open ballot"

	24	open, undecided, undetermined, unresolved
			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"

	25	loose, open
			(of textures) full of small openings or gaps; "an open texture"; "a loose weave"

	26	capable, open, subject
			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"

	27	open(a)
			not requiring union membership; "an open shop employs nonunion workers"

	28	assailable, undefendable, undefended, open
			not defended or capable of being defended; "an open city"; "open to attack"

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