# sesquicentenarian

> English word · Noun · IPA /ˌsɛs.kwɪˌsɛn.təˈnɛəɹi.ən/

## Definitions
1. Someone or something of 150 years of age, or between 150 and 159 (in its sixteenth decade of life or existence)

## Etymology
From sesqui- + centenarian.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/sesquicentenarian