"openest" in the adjective sense
1. open, unfastened
affording unobstructed entrance and exit not shut or closed
"an open door"
"they left the door open"
2. open
affording free passage or access
"open drains"
"the road is open to traffic"
"open ranks"
3. exposed, open
with no protection or shield
"the exposed northeast frontier"
"open to the weather"
"an open wound"
4. open
open to or in view of all
"an open protest"
"an open letter to the editor"
5. open, opened
used of mouth or eyes
"keep your eyes open"
"his mouth slightly opened"
6. open
not having been filled
"the job is still open"
7. open
accessible to all
"open season"
"an open economy"
8. assailable, undefendable, undefended, open
not defended or capable of being defended
"an open city"
"open to attack"
9. loose, open
of textures) full of small openings or gaps
"an open texture"
"a loose weave"
10. open
having no protecting cover or enclosure
"an open boat"
"an open fire"
"open sports cars"
11. open
set theory) of an interval that contains neither of its endpoints
12. 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"
13. open, opened
not sealed or having been unsealed
"the letter was already open"
"the opened package lay on the table"
14. open
without undue constriction as from e.g. tenseness or inhibition
"the clarity and resonance of an open tone"
"her natural and open response"
15. receptive, open
ready or willing to receive favorably
"receptive to the proposals"
16. overt, open
open and observable not secret or hidden
"an overt lie"
"overt hostility"
"overt intelligence gathering"
"open ballots"
17. open
not requiring union membership
"an open shop employs nonunion workers"
18. 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"
19. clear, open
affording free passage or view
"a clear view"
"a clear path to victory"
"open waters"
"the open countryside"
20. 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"
21. open
ready for business
"the stores are open"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
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