open >> ˈəʊp(ə)n
Definition: [adjective] allowing access, passage, or a view through an empty space; not closed or blocked.
Example: he climbed through the open window
Definition: [adjective] exposed to the air or to view; not covered.
Example: an open fire burned in the grate
Definition: [adjective] with the outer edges or sides drawn away from each other; unfolded or spread out.
Example: the trees had buds and a few open flowers
Definition: [adjective] (of a business, place of entertainment, etc.) admitting customers or visitors; available for business.
Example: the shop stays open until 9 p.m
Definition: [adjective] freely available or accessible; unrestricted.
Example: the service is open to all students
Definition: [adjective] not concealing one's thoughts or feelings; frank and communicative.
Example: she behaved in an open and cheerful manner
Definition: [adjective] (of a matter or decision) not finally settled; still admitting of debate.
Example: students' choice of degree can be kept open until the second year
Definition: [adjective] (of a vowel) produced with a relatively wide opening of the mouth and the tongue kept low.
Definition: [adjective] (of a string) allowed to vibrate along its whole length.
Definition: [adjective] (of an electric circuit) having a break in the conducting path.
Definition: [verb] move (a door or window) so as to leave a space allowing access and vision.
Example: she opened the door and went in
Definition: [verb] unfold or be unfolded; spread out.
Example: the eagle opened its wings and circled up into the air
Definition: [verb] make or become formally ready for customers, visitors, or business.
Example: she raised $731 by opening her home and selling coffee and tea
Definition: [verb] formally establish or begin (a new business, movement, or enterprise).
Example: she began to teach and opened her own school
Definition: [verb] make more available or widely known.
Example: the retirement of Mahatir Mohammed as Prime Minister of Malaysia has opened the possibility of closer Australian relations
Definition: [verb] break the conducting path of (an electric circuit).
Example: the switch opens the motor circuit
Definition: [noun] outdoors or in the countryside.
Example: guests were sitting in the open on the terrace
Definition: [noun] a championship or competition with no restrictions on who may compete.
Example: his victory in the 2003 Australian Open
Definition: [noun] an accidental break in the conducting path for an electric current.