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sluice Synonyms

Another word for sluice

Choosing another word for sluice depends on context, so the 20 synonyms and similar words below are separated across 5 exact definitions and ranked by match strength.
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• noun (Context 1)

A sliding gate or other device for controlling the flow of water out of or into a canal, lake, or river, or the artificial channel itself.

Usage Example

"The lockkeeper opened the floodgate to equalize the water level between the two sections of the canal."

Strongest
floodgate
watergate
Strong
sluiceway
penstock
flume
channel

• verb (Context 2)

To wash, rinse, or flush thoroughly with a sudden, abundant stream of water.

Usage Example

"The fishermen sluiced down the wooden deck with buckets of seawater at the end of their shift."

Strongest
flush
rinse
Strong
douse
wash
drench
swill

• noun (Context 3)

A long, sloping trough fitted with cleats or grooves on the bottom, used by miners to wash gold or other heavy minerals from gravel and sand.

Usage Example

"Prospectors shoveled river gravel into the wooden trough, letting the running water separate the heavy gold flakes."

Strong
trough
chute

• verb (Context 4)

To flow, pour, or stream out freely in a heavy rush (of water or liquid).

Usage Example

"Rainwater sluiced down the clogged gutters and flooded the cobblestone courtyard."

Strongest
gush
Strong
pour
stream
cascade
rush

• noun (Context 5)

An act of rinsing, washing, or flushing something with a sudden stream of water.

Usage Example

"After working in the muddy garden, he gave his boots a quick rinse under the outdoor tap."

Strongest
rinse
Strong
flush
dousing
wash

Opposites of sluice

The opposite of sluice shifts depending on context. Common opposites include:

trickle
drip
seep
See all opposites of sluice

Cite this Entry


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