v. t. | 1. | To impair or disquality on account of age or infirmity. |
2. | To give a pension to, on account of old age or other infirmity; to cause to retire from service on a pension. | |
v. i. | 1. | To last beyond the year; - said of annual plants. |
Verb | 1. | superannuate - retire and pension (someone) because of age or physical inability |
2. | superannuate - declare to be obsolete | |
3. | superannuate - become obsolete | |
4. | superannuate - retire or become ineligible because of old age or infirmity |