English to English Dictionary

Opponents

Individuals or groups that compete against each other in a contest, game, or conflict.

Opportunity Cost

The loss of potential gain from other alternatives when one alternative is chosen.

Oppose

To actively resist or refuse to comply with something.

Opposing

In conflict or disagreement with something.

Opposition

Resistance or dissent, expressed in action or argument.

Oppression

The state of being subject to unjust treatment or control.

Opt

To make a choice or decision from a range of options.

Opt-Out

To choose not to participate in something, especially in a program or service.

Optical

Relating to sight or the science of optics.

Optical Telescope

An instrument that gathers and focuses light, primarily in the visible light part of the spectrum, to create a magnified image of distant objects.

Optician

A person qualified to make and supply eyeglasses and contact lenses for correction of vision.

Optimal

Most favorable or desirable under given circumstances.