1. (noun)open, clear a clear or unobstructed space or expanse of land or water "finally broke out of the forest into the open"
2. (noun)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"
3. (noun)open a tournament in which both professionals and amateurs may play
4. (noun)open, surface information that has become public "all the reports were out in the open"; "the facts had been brought to the surface"
5. (adj)open, unfastened affording unobstructed entrance and exit; not shut or closed
"an open door"; "they left the door open"
6. (adj)open affording freepassage or access "open drains"; "the road is open to traffic"; "open ranks"
7. (adj)exposed, open with no protection or shield "the exposed northeast frontier"; "open to the weather"; "an open wound"
8. (adj)open open to or in view of all
"an open protest"; "an open letter to the editor"
9. (adj)open, opened used of mouth or eyes "keep your eyes open"; "his mouth slightly opened"
10. (adj)open not having been filled
"the job is still open"
11. (adj)open accessible to all
"open season"; "an open economy"
12. (adj)assailable, undefendable, undefended, open not defended or capable of being defended
"an open city"; "open to attack"
13. (adj)loose, open (of textures) full of small openings or gaps
"an open texture"; "a loose weave"
14. (adj)open having no protecting cover or enclosure "an open boat"; "an open fire"; "open sports cars"
15. (adj)open (set theory) of an interval that contains neither of its endpoints
16. (adj)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"
17. (adj)open, opened not sealed or having been unsealed
"the letter was already open"; "the opened package lay on the table"
18. (adj)open without undue constriction as from e.g. tenseness or inhibition "the clarity and resonance of an open tone"; "her natural and open response"
19. (adj)receptive, open ready or willing to receive favorably
"receptive to the proposals"
20. (adj)overt, open open and observable; not secret or hidden
"an overt lie"; "overt hostility"; "overt intelligence gathering"; "open ballots"
21. (adj)open(a) not requiring unionmembership "an open shop employs nonunion workers"
22. (adj)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"
23. (adj)clear, open affording freepassage or view "a clear view"; "a clear path to victory"; "open waters"; "the open countryside"
24. (adj)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"
25. (adj)open ready for business "the stores are open"
26. (verb)open, open up cause to open or to become open "Mary opened the car door"
Definition of 'open'
