seal up

verb

to completely seal, enclose with a seal

“seal up an envelope”

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Meanings

verbseal up (third-person singular simple present seals up, present participle sealing up, simple past and past participle sealed up)

present singular third person seals up · participle present sealing up · participle past sealed up · past sealed up

  1. to completely seal, enclose with a seal

    seal up an envelope

Synonyms & antonyms

Also see
shut up
Cite this entry
APA

seal up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/seal%20up

MLA

“seal up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/seal%20up. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “seal up,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/seal%20up.

Source: seal up on Wiktionary, CC BY-SA 4.0.