Of or relating to a closed universe.
Firmly in position; stationary:
Too tight for air or gas to enter or escape
Marked by full control over elements or subordinates; firm:
Find another word for sealed. In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for sealed, like: secured, closed, fixed, plastered, certain, unsealed, held together, leakproof, mu-metal, leak-proof and hermetically.