2 entries under mountainous topic. ×

6
rolling(verb, adjective, rotating)
2
hilly(adjective, bumpy, rotating)
11 years ago|7k views|share |citing 
APASmart Define. (2015). undulating thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undulating/thesaurus/synonyms
ChicagoSmart Define. 2015. "undulating thesaurus" https://smartdefine.org/undulating/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, undulating thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undulating/thesaurus/synonyms>.
MLASmart Define. "undulating thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/undulating/thesaurus/synonyms>