65 entries under noun topic. ×

5
reflux(drop, decrease, retreat, wane)
3
backflowing
2
ebb(drop, decline, decrease, retreat)
2
refluence(drop, decrease, retreat, wane)
1
regurgitation
1
abatement(drop, decrease, retreat, wane)
1
decay(drop, decrease, retreat, wane)
1
decline(decrease, ebb, disappearance, senescent)
1
decrease(drop, retreat, wane, ebb)
1
degeneration(drop, decrease, retreat, wane)
1
depreciation(drop, decrease, retreat, wane)
1
deterioration(drop, decrease, retreat, wane)
1
diminution(drop, decrease, retreat, wane)
1
drop(decrease, retreat, wane)
1
dwindling(drop, decrease, retreat, wane)
1
fading away(expression, drop, decrease, retreat)
1
flagging(drop, decrease, retreat, wane)
1
going out(expression, drop, decrease, retreat)
1
heartburn(sensation, indigestion)
1
lessening(drop, decrease, retreat, wane)
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APASmart Define. (2015). backflow thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/backflow/thesaurus/synonyms
ChicagoSmart Define. 2015. "backflow thesaurus" https://smartdefine.org/backflow/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, backflow thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/backflow/thesaurus/synonyms>.
MLASmart Define. "backflow thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/backflow/thesaurus/synonyms>