Synonyms|139Antonyms|28|Broader|4Narrower|0Related|61

23 entries under adjective topic. ×

9
annual
7
perennial
5
constant
2
intermittent
1
regular
0
continual
0
eternal
0
etesian
0
evergreen
0
fast
0
firm
0
fixed
0
generous
0
heady
0
perpetual
0
persistent
0
recurrent
-1
hearty
-1
immortal
-1
lasting
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APASmart Define. (2015). biennial thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/biennial/thesaurus/antonyms
ChicagoSmart Define. 2015. "biennial thesaurus" https://smartdefine.org/biennial/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, biennial thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/biennial/thesaurus/antonyms>.
MLASmart Define. "biennial thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/biennial/thesaurus/antonyms>