2
coastwise
2
mainland(adjective, land)
2
borderline
2
bounding
2
marine(adjective, sea, oceanographic, hydrographic)
2
rainy(adjective, moist)
2
seaboard
2
seashore
2
shoreside
1
border(adjective, edge)
1
coast
1
Neptunian(oceanographic, hydrographic)
1
alluvial
1
bordering
1
coasts
1
continental(adjective, land)
1
costal
1
deep-sea(oceanographic, hydrographic)
1
determinant
1
determinative
11 years ago|4.8k views|share |citing 
APASmart Define. (2015). coastal thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/coastal/thesaurus/synonyms
ChicagoSmart Define. 2015. "coastal thesaurus" https://smartdefine.org/coastal/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, coastal thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/coastal/thesaurus/synonyms>.
MLASmart Define. "coastal thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/coastal/thesaurus/synonyms>