5
reflux(noun, drop, decrease, retreat, wane)
3
backflowing
2
ebb(noun, drop, decline, decrease, retreat)
2
refluence(noun, drop, decrease, retreat, wane)
1
regurgitation
1
abatement(noun, drop, decrease, retreat, wane)
1
back
1
back stream
1
backache
1
backstay
1
backstroke
1
backwash
1
backwater
1
backwoods
1
countercurrent
1
counterflow
1
counterflux
1
decay(noun, drop, decrease, retreat, wane)
1
decline(noun, decrease, ebb, disappearance, senescent)
1
decrease(noun, drop, retreat, wane, ebb)
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APASmart Define. (2015). backflow thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/backflow/thesaurus/synonyms
ChicagoSmart Define. 2015. "backflow thesaurus" https://smartdefine.org/backflow/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, backflow thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/backflow/thesaurus/synonyms>.
MLASmart Define. "backflow thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/backflow/thesaurus/synonyms>