Contrary to known or agreed facts; untrue. / Of or in comparison to a hypothetical state of the world.

A claim, hypothesis, or other belief that is contrary to the facts. / A hypothetical state of the world, used to assess the impact of an action.

To revoke (a former command); to cancel or rescind by giving an order contrary to one previously given. / To recall a person or unit with such an order. / To cancel an order for (some specified goods).

An order to the contrary of a previous one.

a cylindrical recess, typically machined around a hole to admit a screw so that it sits flush with a surface.

(transitive) To create such a conical recess. / (transitive) To cause to sink even with or below the surface.

(music) A melody added to an existing one, especially one added to provide harmony whilst each retains its simultaneous identity; a composition consisting of such contrapuntal melodies.

(transitive) To compose or arrange such music. / (transitive) To serve as an opposing point against.

Obsolete form of counterpane.

(US, Canada) In the direction of rotation opposite from clockwise.