Definition of "Open" :

noun: information that has become public

"All the reports were out in the open."

noun: a tournament in which both professionals and amateurs may play

noun: where the air is unconfined

"The concert was held in the open air."

noun: a clear or unobstructed space or expanse of land or water

"Finally broke out of the forest into the open."

verb: make available

"This opens up new possibilities."

verb: become available

"An opportunity opened up."

verb: make the opening move

"Kasparov opened with a standard opening."

verb: cause to open or to become open

"Mary opened the car door."

verb: become open

"The door opened."

verb: spread out or open from a closed or folded state

"Open the map."

verb: display the contents of a file or start an application as on a computer

verb: afford access to

"The door opens to the patio."

verb: begin or set in action, of meetings, speeches, recitals, etc.

"He opened the meeting with a long speech."

verb: start to operate or function or cause to start operating or functioning

"Open a business."

verb: have an opening or passage or outlet

"The bedrooms open into the hall."

adjective: ready for business

"The stores are open."

adjective: not having been filled

"The job is still open."

adjective: openly straightforward and direct without reserve or secretiveness

"An open and trusting nature."

adjective: without undue constriction as from e.g. tenseness or inhibition

"The clarity and resonance of an open tone."

adjective: affording free passage or view

"Open waters."

adjective: affording unobstructed entrance and exit; not shut or closed

"An open door."

adjective: affording free passage or access

"Open drains."

adjective: used of mouth or eyes

"Keep your eyes open."

adjective: having no protecting cover or enclosure

"An open boat."

adjective: (set theory) of an interval that contains neither of its endpoints

adjective: open and observable; not secret or hidden

"Open ballots."

adjective: open to or in view of all

"An open protest."

adjective: with no protection or shield

"Open to the weather."

adjective: ready or willing to receive favorably

adjective: accessible to all

"Open season."

adjective: not sealed or having been unsealed

"The letter was already open."

adjective: not brought to a conclusion; subject to further thought

"An open question."

adjective: (of textures) full of small openings or gaps

"An open texture."

adjective: possibly accepting or permitting

"Open to interpretation."

adjective: not requiring union membership

"An open shop employs nonunion workers."

adjective: not defended or capable of being defended

"An open city."