First Known Use: circa 1633
Dictionary
superannuate
verb su·per·an·nu·ate \ˌsü-pər-ˈan-yə-ˌwāt\
su·per·an·nu·at·edsu·per·an·nu·at·ing
Definition of SUPERANNUATE
transitive verb
1
: to make, declare, or prove obsolete or out-of-date
2
: to retire and pension because of age or infirmity
intransitive verb
1
: to become retired
2
: to become antiquated
— su·per·an·nu·a·tion \-ˌan-yə-ˈwā-shən\ noun
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Origin of SUPERANNUATE
back-formation from superannuated
Rhymes with SUPERANNUATE
circumambulate, circumnavigate, contraindicate, decontaminate, deteriorate, differentiate, disambiguate, disassociate, discombobulate, disorientate, disproportionate, excommunicate, expiration date, free-associate, hyperventilate, incapacitate, intermediate, interpenetrate, misappropriate, multivariate, overcompensate, overpopulate, ratiocinate, recapitulate, rehabilitate, renegotiate, supersaturate, transubstantiate, underestimate
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