4
waterlog(verb, absorb, dip, wet, let)
3
boil(verb, make, fix, reduce, ruin)
3
breakneck(adjective, sharp, course, extreme, sheer)
3
damp(verb, depress, absorb, dip, wet)
3
deluge(verb, water, depress, wet, extinguish)
3
exalted(false, extravagant, inflated, embellished, embroidered)
3
fancy(adjective, high, extravagant, valuable, excessive)
3
flood(verb, clean, fill, absorb, dip)
3
hilly(adjective, sharp, course, extreme, bumpy)
3
huge(adjective, great, big, large, expensive)
3
inculcate
3
ingrain(verb, fill, animate, inspire, let)
3
inject
3
invaluable(adjective, fancy, high, expensive, exclusive)
3
laborious
3
lavish(adjective, fancy, high, extravagant, valuable)
3
leach(verb, wet)
3
longitudinal(adjective, vertical)
3
mountainous
3
precipitate(verb, adjective, sharp, course, extreme)
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APASmart Define. (2015). steep thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/steep/thesaurus/synonyms
ChicagoSmart Define. 2015. "steep thesaurus" https://smartdefine.org/steep/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, steep thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/steep/thesaurus/synonyms>.
MLASmart Define. "steep thesaurus" 24 December 2015. Web. 24 September 2026. <https://smartdefine.org/steep/thesaurus/synonyms>