verb, -nat⋅ed, -nat⋅ing.| 1. | to make young again; restore to youthful vigor, appearance, etc.: That vacation has certainly rejuvenated him. |
| 2. | to restore to a former state; make fresh or new again: to rejuvenate an old sofa. |
| 3. | Physical Geography.
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| 4. | to undergo rejuvenation; revive. |