1
nullah
1
opening
1
passage
1
pothole
1
pucker(noun, cut, line, channel, indentation)
1
rabbet(noun, cut, line, channel, indentation)
1
rent
1
rift
1
rupture
1
sag(depression, sink, dip, hollow, pot)
1
scissure
1
seam
1
sink(noun, depression, dish, impression, dip)
1
sinkage(noun, depression, dish, impression, sink)
1
sinkhole(noun, depression, dish, impression, sink)
1
slade
1
slot
1
split
1
tulip
1
vacuity(noun, depression, impression, dip, hollow)
10 years ago|9.3k views|share |citing 
APASmart Define. (2016). valley thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/valley/thesaurus/synonyms
ChicagoSmart Define. 2016. "valley thesaurus" https://smartdefine.org/valley/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, valley thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/valley/thesaurus/synonyms>.
MLASmart Define. "valley thesaurus" 2 February 2016. Web. 23 September 2026. <https://smartdefine.org/valley/thesaurus/synonyms>