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seal

See definition of seal on Dictionary.com
  • nounauthentication; stamp
  • verbmake airtight
  • verbensure, finalize

synonyms for seal

  • imprimatur
  • insignia
  • sticker
  • tape
  • allowance
  • assurance
  • attestation
  • authorization
  • cachet
  • confirmation
  • notification
  • permission
  • permit
  • ratification
  • signet
  • tie
See also synonyms for: sealed / sealing
  • close
  • enclose
  • isolate
  • plug
  • secure
  • shut
  • stop
  • cork
  • fasten
  • gum
  • paste
  • plaster
  • quarantine
  • segregate
  • stopper
  • waterproof
  • stop up
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antonyms for seal

MOST RELEVANT
  • denial
  • prohibition
  • veto
  • disapproval
  • refusal
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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How to use seal in a sentence

If you want to take things further, you can sew a zipper to the open side of the sack to seal it up.
FIVE COOL WAYS TO UPCYCLE OLD COFFEE SACKSHARRY GUINNESSAUGUST 27, 2020POPULAR-SCIENCE
Recently, the S&P Dow Jones Indices announced that the company would join the Dow Jones Industrial Average, replacing industrial stalwart Exxon—a sort of seal of approval that puts Salesforce in lofty company.
SALESFORCE SHARES SOAR 13% ON STRONG GROWTH DESPITE THE PANDEMICJONATHANVANIAN2015AUGUST 25, 2020FORTUNE
Lids or seals are generally required, but some states say drinks also need to be transported in the trunk.
NUMBER OF STATES ALLOWING TO-GO COCKTAILS HAS SURGED FROM 2 TO 33 DURING CORONAVIRUSLEE CLIFFORDAUGUST 24, 2020FORTUNE
Some snails survive the trip through fish and birds by sealing their shells and waiting it out.
WATER BEETLES CAN LIVE ON AFTER BEING EATEN AND EXCRETED BY A FROGJONATHAN LAMBERTAUGUST 3, 2020SCIENCE NEWS
The suit consists of a pair of overalls with built-in shoes and a seal around the waist.
WHAT WILL ASTRONAUTS NEED TO SURVIVE THE DANGEROUS JOURNEY TO MARS?MARIA TEMMINGJULY 15, 2020SCIENCE NEWS
The device applies vacuum pressure to the lower half of the body while a person is sealed in from the waist down.
WHAT WILL ASTRONAUTS NEED TO SURVIVE THE DANGEROUS JOURNEY TO MARS?MARIA TEMMINGJULY 15, 2020SCIENCE NEWS
Inhaling while wearing a mask that doesn’t form a seal on the face may draw in unfiltered air from the sides, top or bottom, as well as air filtered through the mask.
WHY SCIENTISTS SAY WEARING MASKS SHOULDN’T BE CONTROVERSIALTINA HESMAN SAEYJUNE 26, 2020SCIENCE NEWS
To make a normal suction cup or vacuum device cling to a bumpy surface, someone might use a squishy seal — one that can deform around bumps to close up gaps.
CLIMB LIKE A SLO-MO SPIDERMAN USING THIS SUPER SUCTION ROBOTCAROLYN WILKEMAY 12, 2020SCIENCE NEWS FOR STUDENTS
In truth, it was so intently engaged with a sleeping seal that it had not observed the approach of the sledge.
THE GIANT OF THE NORTHR.M. BALLANTYNE
With this I will end this letter, leaving it in this state until it is time to seal it, in case anything should occur to be added.
THE PHILIPPINE ISLANDS, 1493-1898, VOLUME XX, 1621-1624VARIOUS
SYNONYM OF THE DAY
OCTOBER 26, 1985
Choose the synonym for future
capacitor

WORDS RELATED TO SEAL

  • autograph
  • endorsement
  • inscription
  • mark
  • seal
  • undersignature
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.