openとは何ですか?Affording unobstructed entrance and exit; not shut or closed.Affording unobstructed passage or view: open waters; the open countryside. Having no protecting or concealing cover: an open wound; an open sports car. Completely obvious; blatant: open disregard of the law. Carried on in full view: open warfare; open family strife. Sports Not closely defended by an opponent: an open receiver. Not sealed or tied: an open package. Spread out; unfolded: an open book. Having interspersed gaps, spaces, or intervals: open ranks; an open weave. Accessible to all; unrestricted as to participants: an open competition. Free from limitations, boundaries, or restrictions: open registration. Enterable by registered voters regardless of political affiliation: an open primary. Computer Science Of or relating to a file that can be accessed.Lacking effective regulation: an open town in which gambling predominated. Not legally repressed: open drug trafficking. Susceptible; vulnerable: open to interpretation; an issue that is open to question. Willing to consider or deal with something: open to suggestions. Available; obtainable: The job is still open. Available for use: an open account; the only course open to us. Ready to transact business: The store is open. Not engaged or filled: has an open hour for emergency cases. Not yet decided; subject to further thought: an open question. Characterized by lack of pretense or reserve; candid: Please be open with me. See Synonyms at frank1.Free of prejudice; receptive to new ideas and arguments: She listened to the proposal with an open mind. Generous: He is very open with his time.