Did you know?

Click any word in a definition or example to find the entry for that word

seal up

 - definition

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

phrasal verb [transitive]
Word Forms
present tense
I/you/we/theyseal up
he/she/itseals up
present participlesealing up
past tensesealed up
past participlesealed up

Related dictionary definitions

  1. same as seal1

    The furniture is covered and the doors are sealed up with tape.

See also main entry: seal

sandwich generation

a generation … who are balancing working life with caring for both their teenage children and elderly parents

BuzzWord Article

Open Dictionary


to gossip or share personal information with someone …

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog