Decennalian
adj
adj ·Rare ·Advanced level
Definitions
Adjective
- 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”).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.