superannuate

verb

su·​per·​an·​nu·​ate ˌsü-pər-ˈan-yə-ˌwāt How to pronounce superannuate (audio)
superannuated; superannuating

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: to make, declare, or prove obsolete or out-of-date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
superannuation noun

Word History

Etymology

back-formation from superannuated

First Known Use

1649, in the meaning defined at transitive sense 1

Time Traveler
The first known use of superannuate was in 1649

Dictionary Entries Near superannuate

Cite this Entry

“Superannuate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superannuate. Accessed 29 Feb. 2024.

Kids Definition

superannuate

verb
su·​per·​an·​nu·​ate ˌsü-pə-ˈran-yə-ˌwāt How to pronounce superannuate (audio)
superannuated; superannuating
1
: to retire and pension because of age or infirmity
2
: to become retired
3
: to become outdated
superannuation noun
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