48 entries under noun topic. ×

13
decay(verb, decline, hurt, reduce)
10
rot(verb, break, decline, hurt)
10
red(adjective, shade, colour, color)
10
tarnish(verb, break, dull, hurt)
9
blight(verb, break, decline, hurt)
7
bronze(adjective, dark, drab, bay)
7
corrosion(decline, ruin, collapse, failing)
7
auburn(adjective, dark, color, drab)
7
rusting
5
corruption
5
fungus(mold, bane, mildew)
5
mildew(mold, bane)
5
oxidation(disintegration, erosion, corrosion, weathering)
4
decomposition(decline, collapse, deterioration, impairment)
4
decline(verb, collapse, deterioration, stall)
4
dilapidation(decline, ruin, collapse, deterioration)
4
disintegration(decline, collapse, deterioration, impairment)
4
mold(oxidation, mildew, corrosion)
4
moth
4
oxidization(patina, erosion, weathering)
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APASmart Define. (2015). rust thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rust/thesaurus/synonyms
ChicagoSmart Define. 2015. "rust thesaurus" https://smartdefine.org/rust/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, rust thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rust/thesaurus/synonyms>.
MLASmart Define. "rust thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/rust/thesaurus/synonyms>