English dictionary



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English adjective: open

1. open affording unobstructed entrance and exit; not shut or closed


SamplesAn open door.
They left the door open.


Synonymsunfastened


Similarajar, wide-open


See alsoopen


Antonymsshut, unopen, closed

2. open affording free passage or access


SamplesOpen drains.
The road is open to traffic.
Open ranks.


Similaropened, unstoppered, yawning


See alsoopen, unfastened, unsealed


Antonymsclosed

3. open with no protection or shield


SamplesThe exposed northeast frontier.
Open to the weather.
An open wound.


Synonymsexposed


Similarunprotected


Antonymsprotected

4. open open to or in view of all


SamplesAn open protest.
An open letter to the editor.


Similarpublic


Antonymsprivate

5. open used of mouth or eyes


SamplesKeep your eyes open.
His mouth slightly opened.


Synonymsopened


Similaragape, agaze, gaping, staring, wide, wide-eyed, yawning


Antonymsshut, closed

6. open not having been filled


SamplesThe job is still open.


Similaravailable


Antonymsunavailable

7. open accessible to all


SamplesOpen season.
An open economy.


Similarunrestricted


Antonymsrestricted

8. open not defended or capable of being defended


SamplesAn open city.
Open to attack.


Synonymsassailable, undefendable, undefended


Similarvulnerable


Antonymsinvulnerable

9. open (of textures) full of small openings or gaps


SamplesAn open texture.
A loose weave.


Synonymsloose


Similarcoarse, harsh


Antonymsfine

10. open having no protecting cover or enclosure


SamplesAn open boat.
An open fire.
Open sports cars.


Similarunenclosed


Antonymsenclosed

11. open (set theory) of an interval that contains neither of its endpoints


Domain categorymath, mathematics, maths


Antonymsclosed

12. open not brought to a conclusion; subject to further thought


SamplesAn open question.
Our position on this bill is still undecided.
Our lawsuit is still undetermined.


Synonymsundecided, undetermined, unresolved


Similarunsettled


Antonymssettled

13. open not sealed or having been unsealed


SamplesThe letter was already open.
The opened package lay on the table.


Synonymsopened


Similarunsealed


Antonymssealed

14. open without undue constriction as from e.g. tenseness or inhibition


SamplesThe clarity and resonance of an open tone.
Her natural and open response.


Similarunconstricted


Antonymsconstricted

15. open ready or willing to receive favorably


SamplesReceptive to the proposals.


Synonymsreceptive


Similaracceptant, acceptive, admissive, assimilative, hospitable


Antonymsunreceptive

16. open open and observable; not secret or hidden


SamplesAn overt lie.
Overt hostility.
Overt intelligence gathering.
Open ballots.


Synonymsovert


Similarbald, barefaced, naked, raw, undisguised, visible


See alsoexplicit, expressed, public, unconcealed


Antonymscovert

17. open not requiring union membership


SamplesAn open shop employs nonunion workers.


Similarnonunion


Antonymsunion

18. open possibly accepting or permitting


SamplesA 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.


Synonymscapable, subject


Similarsusceptible


Antonymsinsusceptible, unsusceptible

19. open affording free passage or view


SamplesA clear view.
A clear path to victory.
Open waters.
The open countryside.


Synonymsclear


Similarunobstructed


Antonymsobstructed

20. open openly straightforward and direct without reserve or secretiveness


SamplesHis candid eyes.
An open and trusting nature.
A heart-to-heart talk.


Synonymscandid, heart-to-heart


Similarartless, ingenuous


Antonymsartful, disingenuous

21. open ready for business


SamplesThe stores are open.


Similaractive


Antonymsinactive


English noun: open

1. open (location) a clear or unobstructed space or expanse of land or water


SamplesFinally broke out of the forest into the open.


Synonymsclear


Broader (hypernym)area, country

2. open (location) where the air is unconfined


SamplesHe wanted to get outdoors a little.
The concert was held in the open air.
Camping in the open.


Synonymsopen air, out-of-doors, outdoors


Broader (hypernym)exterior, outside

3. open (event) a tournament in which both professionals and amateurs may play


Broader (hypernym)tournament, tourney

4. open (cognition) information that has become public


SamplesAll the reports were out in the open.
The facts had been brought to the surface.


Synonymssurface


Broader (hypernym)general knowledge, public knowledge


English verb: open

1. open (contact) cause to open or to become open


SamplesMary opened the car door.


ExamplesThey want to open the doors


Synonymsopen up


Pattern of useSomebody ----s something.
Something ----s something


Narrower (hyponym)breach, break open, click open, gap, jimmy, lance, lever, prise, prize, pry, reopen, unbar, unbolt, uncork, unlock, unseal


Causeopen, open up


Antonymsclose, shut

2. open (social) start to operate or function or cause to start operating or functioning


SamplesOpen a business.


ExamplesThe business is going to open


Synonymsopen up


Pattern of useSomething ----s.
Somebody ----s something


Narrower (hyponym)establish, found, launch, set up


Antonymsclose down, close up, shut down, close, fold

3. open (contact) become open


SamplesThe door opened.


ExamplesThe doors open


Synonymsopen up


Pattern of useSomething ----s


Broader (hypernym)change state, turn


Narrower (hyponym)fly open, unfasten


Antonymsclose, shut

4. open (social) begin or set in action, of meetings, speeches, recitals, etc.


SamplesHe opened the meeting with a long speech.


Pattern of useSomebody ----s something.
Something ----s something


Broader (hypernym)commence, embark on, start, start up


Narrower (hyponym)call to order, inaugurate


Antonymsclose

5. open (contact) spread out or open from a closed or folded state


SamplesOpen the map.
Spread your arms.


Synonymsspread, spread out, unfold


Pattern of useSomebody ----s something.
Somebody ----s something PP


Broader (hypernym)undo


Narrower (hyponym)butterfly, divaricate, exfoliate, grass, splay, uncross


Antonymsfold, fold up, turn up

6. open (change) make available


SamplesThis opens up new possibilities.


Synonymsopen up


Pattern of useSomebody ----s something.
Something ----s something


Broader (hypernym)afford, give, yield


Causeopen, open up

7. open (change) become available


SamplesAn opportunity opened up.


Synonymsopen up


Pattern of useSomething ----s


Broader (hypernym)arise, come up

8. open (stative) have an opening or passage or outlet


SamplesThe bedrooms open into the hall.


Pattern of useSomething is ----ing PP

9. open (competition) make the opening move


SamplesKasparov opened with a standard opening.


Pattern of useSomebody ----s


Broader (hypernym)go, move


Domain categorychess, chess game

10. open (possession) afford access to


SamplesThe door opens to the patio.
The French doors give onto a terrace.


Synonymsafford, give


Pattern of useSomething is ----ing PP

11. open (perception) display the contents of a file or start an application as on a computer


Pattern of useSomebody ----s something


Broader (hypernym)display, exhibit, expose


Antonymsclose









Based on WordNet 3.0 copyright © Princeton University.
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