1
decurion
1
defective year
1
duodecimo
1
fiscal year
1
grand
1
gross
1
man-hour
1
million
1
octavo
1
octet
1
ten year period(expression, idiom)
1
annum
1
centenary
1
chiliad
1
decenniad
1
eighties
1
fifties
1
forties
1
millenary
1
nineties
10 years ago|7.2k views|share |citing 
APASmart Define. (2016). decade thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/decade/thesaurus/synonyms
ChicagoSmart Define. 2016. "decade thesaurus" https://smartdefine.org/decade/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, decade thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/decade/thesaurus/synonyms>.
MLASmart Define. "decade thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/decade/thesaurus/synonyms>