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								1.
								affording unobstructed entrance and exit; not shut or closed 
								an open door 
								they left the door open 
								2.
								affording free passage or access 
								open drains 
								the road is open to traffic 
								open ranks 
								3.
								with no protection or shield 
								open to the weather 
								an open wound 
								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 
								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 
								9.
								(of textures) full of small openings or gaps 
								an open texture 
								10.
								having no protecting cover or enclosure 
								an open boat 
								an open fire 
								open sports cars 
								11.
								(set theory) of an interval that contains neither of its endpoints 
								12.
								not brought to a conclusion; subject to further thought 
								an open question 
								13.
								not sealed or having been unsealed 
								the letter was already open 
								14.
								without undue constriction as from e.g. tenseness or inhibition 
								the clarity and resonance of an open tone 
								her natural and open response 
								15.
								ready or willing to receive favorably 
								16.
								open and observable; not secret or hidden 
								open ballots 
								17.
								not requiring union membership 
								an open shop employs nonunion workers 
								18.
								possibly accepting or permitting 
								open to interpretation 
								an issue open to question 
								19.
								affording free passage or view 
								open waters 
								the open countryside 
								20.
								openly straightforward and direct without reserve or secretiveness 
								an open and trusting nature 
								21.
								ready for business 
								the stores are open 
							 'open' - used as a noun 
								22.
								a clear or unobstructed space or expanse of land or water 
								finally broke out of the forest into the open 
								23.
								where the air is unconfined 
								the concert was held in the open air 
								camping in the open 
								24.
								a tournament in which both professionals and amateurs may play 
								25.
								information that has become public 
								all the reports were out in the open 
							 'open' - used as a verb 
								26.
								cause to open or to become open 
								Mary opened the car door 
								27.
								start to operate or function or cause to start operating or functioning 
								open a business 
								28.
								become open 
								The door opened 
								29.
								begin or set in action, of meetings, speeches, recitals, etc. 
								He opened the meeting with a long speech 
								30.
								spread out or open from a closed or folded state 
								open the map 
								31.
								make available 
								This opens up new possibilities 
								32.
								become available 
								an opportunity opened up 
								33.
								have an opening or passage or outlet 
								The bedrooms open into the hall 
								34.
								make the opening move 
								Kasparov opened with a standard opening 
								35.
								afford access to 
								the door opens to the patio 
								36.
								display the contents of a file or start an application as on a computer 
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				derived forms		
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			1. Open / Plural 
			opens 
			2. Open / Past 
			opened 
			3. Open / Third Person 
			opens 
			4. Open / Present Participle 
			opening 
			5. Open / Comparitive 
			opener 
			6. Open / Superlative 
			openest 
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