noun, noun or participle which takes 'suru', intransitive verb, transitive verb
Used for the opening or launch of a new facility, event, or service. Often used with する.
来月、新しいショッピングモールがオープンする。
A new shopping mall will open next month.
彼は駅前にカフェをオープンした。
He opened a café in front of the station.
na-adjective
Describes a person's character or attitude as open, unreserved, and easy to talk to. Used as a na-adjective.
彼女はとてもオープンな性格で、誰とでもすぐ仲良くなる。
She has a very open personality and quickly becomes friends with anyone.
noun-modifying (irregular)
Prenominal use meaning 'open to all' or 'without restrictions', as in open tournaments, open cars, or open collars.
オープンカーで海岸沿いをドライブするのは気持ちがいい。
Driving along the coast in an open car feels great.
このゴルフ大会はプロもアマチュアも参加できるオープン競技です。
This golf tournament is an open competition where both pros and amateurs can participate.