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waterline Synonyms
Another word for waterline
Choosing another word for waterline depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• noun (Context 1)
The level reached by the water on the side of a ship or boat, or a painted line corresponding to this level.
Usage Example
"The heavy cargo caused the vessel to sit much lower in the harbor, submerging its painted load line."
Strong
load line
plimsoll line
• noun (Context 2)
A mark or boundary left on a shore, wall, or bank indicating the highest or normal level reached by a body of water.
Usage Example
"After the spring floods receded, a muddy watermark remained visible along the stone foundation of the bridge."
Strong
watermark
tidemark
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Waterline. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/waterline