Find Antonyms

runoff Antonyms

Opposite of runoff

Because the opposite of runoff shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• noun (Context 1)

The draining away of water (or substances carried in it) from the surface of an area of land, a building, or a structure.

Usage Example

"Heavy agricultural absorption containing excess fertilizers polluted the nearby river."

Strong
absorption
infiltration
retention

• noun (Context 2)

A further competition, election, race, or other contest held after a tie or inconclusive result in order to determine a clear winner.

Usage Example

"Because no candidate secured an outright majority in the first round, the two top contenders advanced to a December primary."

Strong
primary
preliminary

Similar words to runoff

Words similar to runoff shift depending on context. Common synonyms include:

tiebreaker
drainage
playoff
outflow
overflow
decider
discharge
effluent
See all synonyms of runoff

• Nearby Words

runniness
running
runny
runoff
runt
runty
runup

Cite this Entry

Wordmom. (2026). Antonyms for Runoff. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/runoff
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