1
check
1
checking
1
deadening
1
debilitation
1
decay(noun, drop, decrease, retreat, wane)
1
decelerating
1
decline
1
decompressing
1
demulsion
1
depreciating(adjective, declining, shrinking, lowering, falling)
1
depreciation(noun, drop, decrease, retreat, wane)
1
detention
1
deterioration(noun, drop, decrease, retreat, wane)
1
devitalization
1
dilution
1
dowsing
1
drenching
1
ducking
1
dulcification
1
dulling
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APASmart Define. (2015). slackening thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/slackening/thesaurus/synonyms
ChicagoSmart Define. 2015. "slackening thesaurus" https://smartdefine.org/slackening/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, slackening thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/slackening/thesaurus/synonyms>.
MLASmart Define. "slackening thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/slackening/thesaurus/synonyms>