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spillway Synonyms

Another word for spillway

Choosing another word for spillway that fits your sentence is easier when synonyms and similar words are paired with an exact noun definition and ranked by match strength.
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• noun (Context 1)

A structure or passage built into a dam or levee to provide the controlled release of excess water into a downstream area, preventing water from overflowing and damaging the dam.

Usage Example

"Heavy spring rains raised the reservoir to capacity, forcing engineers to open the main sluiceway to relieve pressure on the dam."

Strong
sluiceway
overflow
floodgate
weir
Weak
chute

• Nearby Words

spillage
spiller
spillover
spillway
spin
spinal
spindle

Cite this Entry

Wordmom. (2026). Synonyms for Spillway. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/spillway
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