Su′per‐an″nu‐ate (?), v. t. [imp. & p. p.Superannuated (?); p. pr. & vb. n.Superannuating.] [Pref. super- + L. annus a year.] 1. To impair or disquality on account of age or infirmity. Sir T. Browne.
2. To give a pension to, on account of old age or other infirmity; to cause to retire from service on a pension.