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.

Larry Ellison's financial guarantee was what finally won over the Warner Bros. board, sealing Paramount's victory in a bruising bidding war with Netflix.

From Barron's • Jun. 12, 2026

The combination would integrate Dana’s powertrain, thermal and sealing technologies with Eaton Mobility’s commercial-vehicle transmissions, engine and emissions products, and advanced electrification capabilities, forming a company with approximately $11 billion in sales.

From The Wall Street Journal • Jun. 11, 2026

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

I put them on and the earphones fit snugly, sealing out the sound of outside traffic and footsteps from upstairs.

From "Warcross" by Marie Lu