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

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

The Democratic Republic of Congo qualified for their first World Cup in 52 years by beating Jamaica in their intercontinental play-off final, with an extra-time goal from Axel Tuanzebe sealing the win.

From BBC • Apr. 22, 2026

Clayton then finished it in style, hitting two 180s in the leg before sealing it on double 16.

From BBC • Apr. 9, 2026

The brick walls snap shut, sealing me, Alex, JP, and Cocoa in the darkened tunnel.

From "The Manifestor Prophecy" by Angie Thomas