se·nesce  (sə-něs')  intr.v. se·nesced, se·nesc·ing, se·nesc·es To reach later maturity; grow old. [Back-formation from senescent.] |
| senesce | |
verb | |
| grow old or older; "She aged gracefully"; "we age every day--what a depressing thought!"; "Young men senesce" |