decennium
0 synonyms and 0 antonyms for decennium, grouped by meaning and by how common each one is.
Noun — Synonym of decade: a ten year period.
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Etymology
From Latin decennium, from decennis (“10-year”) + -ium (suffix forming abstract nouns), from deciēs (“ten times”) + annus (“year”) + -is (suffix forming compound adjectives). Equivalent to decennial + -ium.
Full origin of decennium →