English to English Dictionary

Ophthalmoscope

An instrument with a light and mirror system used for examining the interior structures of the eye, especially the retina.

Opinion

A belief or judgment that rests on grounds insufficient to produce complete certainty.

Opponents

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

Opportunistic

Taking advantage of opportunities as they arise, often with a connotation of being exploitative.

Opportunity

A set of circumstances that makes it possible to do something.

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.

Opposing Counsel

A lawyer representing a party in a legal case that is in opposition to another party's lawyer.

Opposite

Locally or positionally facing something else; situated on the other or further side.

Opposite Witness

A person who provides evidence or testimony that contradicts or opposes a claim or assertion.

Opposition

Resistance or dissent, expressed in action or argument.