adj, noun ·Moderate ·College level

Definitions

Noun

1. 1
   One who or that which is at least 100 years old.

   "The average age of these 203 centenarians was 102 years 5 months and 25 days."

2. 2
   someone who is at least 100 years old wordnet

Adjective

1. 1
   Aged 100 years or more; extremely old.
2. 2
   Of or relating to centenarians or a centenary celebration.

Adjective

1. 1
   being at least 100 years old wordnet

Synonyms

All synonyms

bicentenarybicentennialccentalcentarecentenary

Example

More examples

"Tom will be a centenarian next year."

Etymology

From Latin centēnārius + -an, equivalent to centenary (“100 year, 100th anniversary”) + -an (“person”).

Related phrases

bicentenarian (200–299)multicentenarian (200+)quadricentenarian (400–499)quincentenarian (500–599)semisupercentenarian (105–109)sesquicentenarian (150–159)supercentenarian (110+)supracentenarian (110+)tricentenarian (300–399)ultracentenarian (100+)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.