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sign up

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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.

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phrasal verb
Word Forms
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present tense
I/you/we/theysign up
he/she/itsigns up
present participlesigning up
past tensesigned up
past participlesigned up

Related dictionary definitions

  1. 1
    [intransitive] to agree to do something, or to join a course or organization
    sign up for:

    She's decided to sign up for evening classes.

  2. 2
    [transitive] to put someone's name on an official list for something
    sign someone up (to do something):

    They've signed me up to do voluntary work next month.

  3. 3
    [transitive] same as sign2 (sense 2)

    We have signed up two new players.

See also main entry: sign

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selfie stick

an expandable stick which you attach to a mobile phone or camera to help you take a selfie …

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