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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.

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

Meanwhile, Real have ended their 2025-26 campaign trophyless, with rivals Barcelona sealing the La Liga title with a 2-0 El Clasico victory and by a 14-point margin.

From BBC • May 12, 2026

To lessen your risk of infection, keep wild rodents out of your home and other enclosed spaces by sealing any holes and placing snap traps.

From Los Angeles Times • May 7, 2026

The metal frame is expanded, pushing aside the old valve and sealing the replacement valve in place.

From The Wall Street Journal • Apr. 24, 2026

Next I filled all the plastic vomit bags, sealing them by twisting them shut and making a knot.

From "Life of Pi" by Yann Martel