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sealing

VERB

make airtight

Synonyms

STRONGEST

close enclose isolate plug secure shut stop

STRONG

cork fasten gum paste plaster quarantine segregate stopper waterproof

WEAK

stop up

Antonyms

STRONGEST

begin continue let go open release start unplug

WEAK

delay loosen put off refuse unseal

VERB

ensure, finalize

Synonyms

STRONGEST

clinch conclude confirm establish ratify

STRONG

assure attest authenticate consummate settle stamp validate

WEAK

shake hands on

Antonyms

STRONGEST

deny destroy disprove invalidate unsettle veto

WEAK

delay loosen open put off refuse unseal

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.

Real ended their 2025-26 campaign trophyless, with rivals Barcelona sealing the La Liga title with a 2-0 El Clasico victory.

From BBC • May 29, 2026

Root canal treatment works by removing infected tissue inside the tooth and sealing the area to prevent bacteria and toxins from spreading into surrounding tissues.

From Science Daily • May 16, 2026

That includes sealing gaps in your home or garage to keep animals from entering indoor spaces; trapping rodents; and cleaning up any easy-to-reach food that could attract rodents.

From The Wall Street Journal • May 4, 2026

Olson’s snap, as described by The Times’ Bill Plaschke at the time, was “perfect” and the kick was good, sealing a 49-31 Trojans victory.

From Los Angeles Times • Apr. 24, 2026

So I tried sealing the leak with pine pitch, and that worked all right, but then the funnel over the fire bed cracked, and I had to put wooden props under that.

From "My Side of the Mountain" by Jean Craighead George