Browse words
36,402 words to explore
O
Sort:A–Z
open Pandora's box
Start a situation that causes many problems.
open season
a time when hunting is allowed
open sesame
a magic command to unlock something
open someone's eyes
Make someone aware of a new perspective.
open the batting
start the first innings in cricket
open the door
move a physical barrier to enter or exit
open the floodgates
to cause a large release of something
open the kimono
reveal private information or plans
open the schools
to allow students to return to class
open up to
To start sharing your private feelings or thoughts with someone.
open wide
an instruction to stretch the jaws far apart
open-door policy
A rule allowing free access or communication.
opener
the beginning or introductory part
OpenGL
A graphics library for rendering 2D and 3D graphics.
opening
gap or hole
opening of an envelope
A very trivial or unimportant social event.
openly
In a way that is visible to all.
openness
Willingness to share thoughts and feelings.
opera
a play where all words are sung
operable
capable of functioning or being used correctly
operant conditioning
Learning where behavior changes due to rewards or punishments.
operate
to function or work
operatic
Relating to a classical musical play with singing.
operation
surgical procedure