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dammed

VERB

hold back; block

Synonyms

STRONGEST

clog

STRONG

bar barricade brake check choke close confine hinder impede obstruct repress restrain restrict retard slow suppress

WEAK

hold in stop up

Antonyms

STRONG

advance aid allow assist encourage facilitate forward free help let go liberate open permit promote push release support

WEAK

unblock unclog unloose

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.

These lakes are prone to failing because they are precariously dammed by walls made of frozen earth, rocks and ice created by the movement of a glacier.

From The Wall Street Journal • Apr. 1, 2026

Some Alaskans are evacuating their homes as meltwater escapes a basin dammed by the Mendenhall Glacier - raising fears of record-breaking flooding in the US state's capital city.

From BBC • Aug. 13, 2025

Over the last 100 years, rivers across the Central Valley were dammed to provide irrigation for farms, blocking salmon from their natural habitats.

From Los Angeles Times • Apr. 18, 2024

The process dirtied lakes, cut down forests and dammed up rivers.

From National Geographic • Feb. 8, 2024

Orpheus, a professional architect, remodeled their house, designed and built a separate studio for Marian, and dammed up a small brook to make a swimming hole.

From "The Voice That Challenged a Nation: Marian Anderson and the Struggle for Equal Rights" by Russell Freedman