Decennalian

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Synonym of decennial, of or related to a ten-year period. not-comparable, obsolete

Etymology

From Latin decennalis (“decennial”) + -ian, from decennium (“10-year period”) + -alis (“-al: forming adjectives”), from decem (“ten”) + annus (“year”).

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