WordNet

without undue constriction as from e.g. tenseness or inhibition; "the clarity and resonance of an open tone"; "her natural and open response"
a clear or unobstructed space or expanse of land or water; "finally broke out of the forest into the open" (同)clear
information that has become public; "all the reports were out in the open"; "the facts had been brought to the surface" (同)surface
a tournament in which both professionals and amateurs may play
become available; "an opportunity opened up" (同)open_up
become open; "The door opened" (同)open_up
cause to open or to become open; "Mary opened the car door" (同)open_up
make available; "This opens up new possibilities" (同)open_up
start to operate or function or cause to start operating or functioning; "open a business" (同)open_up
not sealed or having been unsealed; "the letter was already open"; "the opened package lay on the table" (同)opened
used of mouth or eyes; "keep your eyes open"; "his mouth slightly opened" (同)opened
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" (同)undecided, undetermined, unresolved
affording unobstructed entrance and exit; not shut or closed; "an open door"; "they left the door open" (同)unfastened
(set theory) of an interval that contains neither of its endpoints
accessible to all; "open season"; "an open economy"
affording free passage or access; "open drains"; "the road is open to traffic"; "open ranks"
begin or set in action, of meetings, speeches, recitals, etc.; "He opened the meeting with a long speech"
display the contents of a file or start an application as on a computer
have an opening or passage or outlet; "The bedrooms open into the hall"
having no protecting cover or enclosure; "an open boat"; "an open fire"; "open sports cars"
make the opening move; "Kasparov opened with a standard opening"
not having been filled; "the job is still open"
not requiring union membership; "an open shop employs nonunion workers"
open to or in view of all; "an open protest"; "an open letter to the editor"
ready for business; "the stores are open"
tolerant of change; not bound by authoritarianism, orthodoxy, or tradition
a person who favors a political philosophy of progress and reform and the protection of civil liberties (同)liberalist, progressive
a person who favors an economic theory of laissez-faire and self-regulating markets
having political or social views favoring reform and progress

PrepTutorEJDIC

…‘を'『開く』,開ける;…‘の'ふた(おおい)をとる / …‘を'『切り開いて作る』,開拓する;…‘を'全開通させる《+『名』+『up,』+『名』+『up』》 / …‘を'『広げる』《+『up』+(『out』)+『名,』+『名』+『up』(『out』)》 / …‘を'『始める』 / …‘を'開業する,開店する,開場する / (人に)〈心など〉‘を'打ち明ける,〈秘密など〉‘を'漏らす《+『名』+『to』+『名』》 / (新思想などに)〈心・目〉‘を'開く《+『名』+『to』+『名』》 / 〈戸などが〉『開く』,あく / 〈花・つぼみが〉開く《+『out』》 / 〈学校などが〉『始まる』;〈店などが〉開く / 〈道路などが〉開通する / (…に)向かって開いている,(…に)通じている《+『out』『on』(『upon,to,onto』)+『名』》 / 《副詞[句]を伴って》〈風景などが〉広がる,ひらける / 本を開く;(…)ページを開く《+『to』(《英》『at』)+『名』》 / (窓・口などが)『開いた』,開いている;(包みなどが)広げられて / (花が)咲いた / (店などが)『開いている』,開業している;(催し物が)『公開の』,だれでも入れる / 《名詞の前にのみ用いて》ふたのしてない,屋根のない,おおいのない / 広く開いた,さえぎるものがない / 公然の / 率直な,遠慮しない / さらされている,無防備の / 《補語にのみ用いて》(職・地位などが)空位の;(時間などが)あいている / (問題・議事などが)未解決の / 凍結しない,雪や霜の降らない;温和な / (漁・猟が)解禁の / (音声が)開口音の;開音節の / 《the~》戸外,野外 / 空き地;(樹木のない)開けた場所,平野
(政治・宗教上の)『自由主義の』 / 『寛大な』,偏見のない,心の広い / 『気前がよい』,物惜しみをしない / (物が)豊富な / (翻訳などが)字句通りでない / 自由主義者 / 《またL-》自由党員