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Definitions

overflow

[oh-ver-floh, oh-ver-floh] / ˌoʊ vərˈfloʊ, ˈoʊ vərˌfloʊ /
NOUN
flood, inundation
Synonyms
STRONGEST
deluge flash flood overabundance torrent
STRONG
Niagara advance cataclysm cataract congestion discharge encroachment enforcement engorgement excess exuberance flooding infringement overcrowding overkill overmuch overproduction plethora pour propulsion push redundancy spate spill spillover submergence submersion superfluity surfeit surplus
Antonyms
STRONG
discouragement insufficiency lack necessity need want
VERB
pour out, flood
Synonyms
STRONGEST
brim bubble over cascade deluge drain drown engulf gush inundate leak overrun pour run over soak spill spill over submerge swamp
STRONG
cover discharge irrupt issue jet overtop rush shed shower slop slosh spout spray spurt squirt surge water wave well wet whelm
WEAK
fall over overbrim well over
Antonyms
STRONGEST
dry underwhelm
STRONG
dehydrate hold keep

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Slurry entered the stream after a pump on a concrete tank's overflow pipe failed.

From BBC • May 5, 2026

The less fortunate sat on the floor in an overflow room.

From The Wall Street Journal • May 3, 2026

It might not be an Olympic sport, but an event in Santa Monica happening quietly for years would overflow SoFi Stadium.

From Los Angeles Times • Apr. 20, 2026

Just like sinks and bathtubs have overflow drains to prevent spills, human cells appear to have a similar built-in safeguard.

From Science Daily • Mar. 26, 2026

My costume was hanging up in an overflow closet full of out-of-season coats and my grandparents’ clothes that Mom couldn’t bear to give away.

From "Dead End in Norvelt" by Jack Gantos