1
declivitous
1
declivous
1
decrescendo
1
decrescent
1
decurrent
1
defective(mean, weak, down, ill, sick)
1
degenerate
1
delicate(mean, weak, down, ill, sick)
1
deliquescent
1
depleted
1
depressing
1
deprivation
1
descendent(adjective, down, descending, sinking)
1
descent
1
despisal
1
despising
1
dilapidating(verb, deteriorating)
1
diminuendo
1
disagreeing(verb, refusing)
1
disagreement
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APASmart Define. (2015). declining thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/declining/thesaurus/synonyms
ChicagoSmart Define. 2015. "declining thesaurus" https://smartdefine.org/declining/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, declining thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/declining/thesaurus/synonyms>.
MLASmart Define. "declining thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/declining/thesaurus/synonyms>