Thesaurus.com
Dictionary.com
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.

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

More than 12 percent of American households stash their overflow in rented storage spaces, according to Noah Starr, founder and CEO of TractIQ, a leading market data provider.

From The Wall Street Journal • Apr. 15, 2026

"So the boats overflow and over-spill sediment, propellers churn sediment up on the lake bed and there's run-off from the storage yards."

From BBC • Apr. 15, 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

The paths are gravel and the toilets don’t overflow.

From "Without Refuge" by Jane Mitchell