glad or willing to receive, discuss, etc.
If a place, economy, or area of interest opens up, or if someone opens it up, more people can go there or become involved in it.
(of a file ) having a pawn or pawns of only one colour on it
to reveal or disclose
An open-air place or event is outside rather than in a building.
a bar at a reception that serves drinks whose cost has been borne by the host, an admission charge, a sponsor, etc
a person or thing without secrecy or concealment that can be easily known or interpreted
an audition, esp. for actors or dancers, open to anyone wishing to try out
a city which is a military objective but is completely demilitarized and left open to enemy occupation in order to gain immunity, under international law, from bombardment and attack
an excavation made in the open rather than in a tunnel
An open day is a day on which members of the public are encouraged to visit a particular school, university, or other institution to see what it is like .
If a country or organization has an open-door policy towards people or goods, it allows them to come there freely, without any restrictions .
of or pertaining to an investment company that has no fixed limit to the number of shares issued, so that the shares are issued and redeemed as demand requires
with the eyes wide open, as in amazement
to start firing a gun, artillery, etc
a relatively simple game involving open ranks and files, permitting tactical play, and usually following symmetrical development
a goal which is left open or undefended
A jail is a place where criminals are kept in order to punish them, or where people waiting to be tried are kept.
relating to a ticket that allows a traveller to arrive in one place and depart from another
a radio or television programme in which listeners' or viewers ' questions, comments, etc, are telephoned to the studio and broadcast live
a session in a pub or club where members of the public are invited to perform comedy or to sing
If someone opens out, they start to say exactly what they think or feel .
An open pit is a mine where the coal, metal, or minerals are near the surface and underground passages are not needed .
An open-plan building, office, or room has no internal walls dividing it into smaller areas.
(of magnetic tape ) wound from one reel to another in use
A road is a long piece of hard ground which is built between two places so that people can drive or ride easily from one place to the other.
the expanse of sea away from any coastlines, bays, inlets, etc.
a set which is not a closed set
an establishment in which persons are hired and employed irrespective of their membership or nonmembership of a trade union
the side of the scrum on which the majority of the backs are ranged
An open-top bus has no roof, so that the people sitting on the top level can see or be seen more easily . An open-top car has no roof or has a roof that can be removed .
any wide or unobstructed space or expanse, esp of land or water
If something is wide open, it is open to its full extent.
If you have access to something such as information or equipment, you have the opportunity or right to see it or use it.
a chain of atoms in a molecule that is not joined at its ends into the form of a ring
an uncrossed cheque that can be cashed at the drawee bank
a court or trial to which members of the public are freely admitted
When people begin an open-ended discussion or activity, they do not have a particular result, decision, or timespan in mind .
having an ingenuous expression
of or denoting the system in which an arable area was divided into unenclosed strips, esp cultivated by different tenants
uncovered or unobstructed ground in a wide open space
generous ; liberal
designating a furnace with a wide, saucer-shaped hearth and a low roof, used in making steel
If you say that someone keeps open house, you mean that they welcome friends or visitors to their house whenever they arrive and allow them to stay for as long as they want to.
An open letter is a letter that is published in a newspaper or magazine . It is addressed to a particular person but is intended for the general reader, usually in order to protest or give an opinion about something.
Goods that are bought and sold on the open market are advertised and sold to anyone who wants to buy them.
If you describe someone as open-minded, you approve of them because they are willing to listen to and consider other people's ideas and suggestions .
If you are wearing an open-necked shirt or blouse, you are wearing a shirt or blouse which has no buttons at the top or on which the top button is not done up.
a formation that allows additional space between the ranks of a guard or inspected unit to allow the inspecting officer to pass
an insurance policy in which the amount payable in the event of a claim is settled after the loss or damage has occurred