Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun decennary
1 sense of decennary
Sense 1
decade, decennary, decennium -- (a period of 10 years)
=> time period, period of time, period -- (an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period")