open
/ˈō-pən/
adjective
having no enclosing or confining barrier : accessible on all or nearly all sides
being in a position or adjustment to permit passage : not shut or locked
having a barrier (such as a door) so adjusted as to allow passage
cattle grazing on an open range
frank candid open plain mean showing willingness to tell what one feels or thinks. frank stresses lack of shyness or secretiveness or of evasiveness from considerations of tact or expedience. candid suggests expression marked by sincerity and honesty especially in offering unwelcome criticism or opinion.
verb
to move (something, such as a door) from a closed position
to make available for entry or passage by turning back (something, such as a barrier) or removing (something, such as a cover or an obstruction)
to make available for or active in a regular function
noun
opening
open and unobstructed space: such as
open air