verb (used with object), re·ju·ve·nat·ed, re·ju·ve·nat·ing.
- to make young again; restore to youthful vigor, appearance, etc.: That vacation has certainly rejuvenated him.
- to restore to a former state; make fresh or new again: to rejuvenate an old sofa.
- Physical Geography.
- to renew the activity, erosive power, etc., of (a stream) by uplift or by removal of a barrier in the stream bed.
- to impress again the characters of youthful topography on (a region) by the action of rejuvenated streams.
verb (used without object), re·ju·ve·nat·ed, re·ju·ve·nat·ing.
- to undergo rejuvenation; revive.
- to give new youth, restored vitality, or youthful appearance to
- (usually passive) geography
- to cause (a river) to begin eroding more vigorously to a new lower base level, usually because of uplift of the land
- to cause (a land surface) to develop youthful features
1834, noun of action from rejuvenate.