Definify.com
Webster 1913 Edition
Superannuate
Suˊper-an′nu-ate
,Verb.
 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. 
 Suˊper-an′nu-ate
,Verb.
 I.
 To last beyond the year; – said of annual plants. 
[Obs.] 
Bacon.
 Webster 1828 Edition
Superannuate
SUPERAN'NUATE
,Verb.
T.
 SUPERAN'NUATE
,Verb.
I.
 Definition 2025
superannuate
superannuate
English
Verb
superannuate (third-person singular simple present superannuates, present participle superannuating, simple past and past participle superannuated)
-  (transitive) to retire or put out of use due to age
- (Can we find and add a quotation of Sir Thomas Browne to this entry?)
 
 - (transitive) to show to be obsolete due to age
 - (intransitive) to retire due to age
 - (intransitive) to become obsolete or antiquated
 - (transitive) To give a pension to, on account of old age or other infirmity; to cause to retire from service on a pension.
 
Translations
to retire or put out of use due to age
  | 
to retire due to age
  | 
  |