Definition of: reverse

(ri·vûrs′) adjective
1. Turned backward; contrary or opposite in direction, character, order, etc.
2. On the other side; backward; inverted.
3. Causing backward motion: the reverse gear of an automobile.
—noun
1. That which is directly opposite or contrary: The reverse of what you say is true.
2. The back, rear, or secondary side or surface, as distinguished from the front or principal side.
3. A reversing; change to an opposite position, direction, or state; reversal: a reverse of a gun or gun carriage.
4. A change or alteration for the worse; a check or partial defeat; misfortune.
5. Mech. A reversing gear or movement. See synonyms under MISFORTUNE.
—v. ·versed, ·vers·ing v.t.
1. To turn upside down or inside out; invert or overturn.
2. To turn in an opposite direction.
3. To transpose; exchange.
4. To change into something different or opposite; alter: to reverse policy.
5. To set aside; annul: to reverse a decree.
6. Mech. To cause to have an opposite motion or effect: Reverse engines!
—v.i.
7. To move or turn in the opposite direction, as in dancing.
8. To reverse its action: said of engines, etc. See synonyms under ABOLISH. [<OF revers <L reversus, pp. of revertere. See REVERT.]
—re·vers′er noun