What is another word for seal?

Need synonyms for seal? Here's a list of similar words from our thesaurus that you can use instead.

Noun
A piece of wax, lead, or other material with an individual design stamped into it, attached to a document as a guarantee of authenticity
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“The seal was usually impressed on red wax, but was occasionally seen imprinted on a wafer stuck to the instrument with soft wax.”
Noun
A device or substance that is used to join two things together so as to prevent them from coming apart or to prevent anything from passing between them
“Your dentist will put a rubber seal around your teeth to protect your gums.”
Noun
Something that serves as an official confirmation of approval
“The President's seal of approval.”
Noun
A tight closure, secure against leakage
Noun
A seam formed by sewing two edges (especially of skin) together
Noun
Any mechanical seal that serves to fill the space between two objects, generally to prevent leakage between the two objects while under compression
Noun
An indication of automatic approval
Noun
The state of being respected or admired; prestige
Noun
A vitreous substance fused on to the surface of pottery to form an impervious decorative coating
Noun
The joint made by welding
Verb
To finalize or authorize
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“At 2-0 up after 52 minutes, they should have kicked-on to finish off Borough and virtually seal their place in the premier division next season.”
Verb
Fasten or close securely
“The viral solutions would survive the UV lights only because he would seal the syringes in an opaque biohazard container before leaving.”
Verb
Isolate an area by preventing or monitoring access to and from it
“Just weeks after they had restocked, their farm is sealed off again and their fate - and that of the entire rural community - is being determined by scientists at a Government laboratory.”
Verb
Make airtight
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“A woman picks them up and seals them in plastic bags.”
Verb
Witness or certify formally
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Verb
Stick together with material
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Verb
To strengthen or fasten (something) with battens
Verb
Make rustproof
Verb
To apply a (thin) layer on the surface of an object
Verb
To unite closely
Verb
Cover with veneer
Verb
Stitch up (a wound or incision) with a suture
Verb
To scorch or burn the surface of
Verb
To close or seal a wound by means of burning
Verb
Pot or can
Verb
To mark something with a monogram
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