Find Synonyms
runoff Synonyms
Another word for runoff
Choosing another word for runoff 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 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 drainage containing excess fertilizers polluted the nearby river."
Strong
drainage
overflow
outflow
effluent
discharge
• 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 tiebreaker."
Strong
tiebreaker
playoff
decider
Weak
rematch
Opposites of runoff
The opposite of runoff shifts depending on context. Common opposites include:
absorption
infiltration
retention
primary
preliminary
Cite this Entry
Wordmom. (2026). Synonyms for Runoff. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/runoff