1
slipped(verb, deteriorated)
1
sunk(verb, deteriorated)
1
tergiversated(verb, deteriorated)
1
thinned
1
vanished
0
breakdown
0
brought down(verb, phrasal verb)
0
conceded
0
contracted
0
corrected
0
corruption
0
crashed
0
decadence
0
decay
0
declension
0
decline
0
decrease
0
decreasing
0
degeneracy
0
degeneration
11 years ago|3.5k views|share |citing 
APASmart Define. (2015). waned thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/waned/thesaurus/synonyms
ChicagoSmart Define. 2015. "waned thesaurus" https://smartdefine.org/waned/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, waned thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/waned/thesaurus/synonyms>.
MLASmart Define. "waned thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/waned/thesaurus/synonyms>