Synonyms|530Antonyms|171|Broader|13Narrower|4Related|712
11
fertile(adjective, produce, ready)
9
dirty(adjective, clear, bright, cheerful, unclean)
6
fruitful(adjective, productive)
6
productive
5
fecund(adjective, productive)
4
green
3
foul
3
luxuriant
2
fat
2
filthy(adjective, dirty, polluted)
2
impure(adjective, mixed, pure, physically)
2
noxious(adjective, sweet, healthy, injurious, deadly)
2
polluted
2
prolific
2
rich
1
abundant
1
active
1
ample
1
bounteous
1
bountiful
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APASmart Define. (2016). sterile thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sterile/thesaurus/antonyms
ChicagoSmart Define. 2016. "sterile thesaurus" https://smartdefine.org/sterile/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, sterile thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sterile/thesaurus/antonyms>.
MLASmart Define. "sterile thesaurus" 1 March 2016. Web. 24 September 2026. <https://smartdefine.org/sterile/thesaurus/antonyms>