13-Letter Words Starting: ANTI

• tranquilizer used to treat psychotic conditions when a calming effect is desired

• in the direction opposite to the rotation of the hands of a clock

• in a direction opposite to the direction in which the hands of a clock move

• (of a binary relation R on a set S) Having the property that, for any two distinct elements of S, at least one is not related to the other via R; equivalently, having the property that, for any x, y ∈ S, if both xRy and yRx then x=y.

• (of certain mathematical objects) Whose sign changes on the application of a matrix transpose or some generalisation thereof:

• of or relating to a sudden change from an impressive to a ludicrous style

• coming after the climax especially of a dramatic or narrative plot