Synonyms for sestercentennial

Most common

semiquincentennial · bisesquicentennial · bicenquinquagenary

All synonyms

Noun

Definitions

1. n. 1

   A 250th anniversary.

   The United States will mark the sestercentennial of its founding in 2026.

Forms

Plural

sestercentennials → semiquincentennials, bisesquicentennials, bicenquinquagenaries…