sign up
[verb]
Synonyms: enter, enlist, enroll, join (up), muster, sign on

[TahlilGaran] English Synonym Dictionary ▲

sign up phrasal verb (see also sign)

1. to put your name on a list for something because you want to take part in it
sign up for
I’m thinking of signing up for a yoga course.
sign up to do something
Over half the people who signed up to do engineering were women.

2. sign somebody ↔ up if someone is signed up by an organization, they sign a contract in which they agree to work for that organization:
Several well-known researchers have been signed up for the project.

[TahlilGaran] Dictionary of Contemporary English ▲

sign up
sign (someone) up
to join or invite someone to join a group or organization.
Kathy signed up for the soccer team this year.

The team signed him up for two years.

Local officials worked to sign up students to the summer jobs program.

Usage notes: often used when someone puts their signature on an official document

[TahlilGaran] English Idioms Dictionary ▲

sign up
v.
1. To promise to do something by signing your name; join; sign an agreement.
We will not have the picnic unless more people sign up.
John wants to sign up for the contest.
Miss Carter has signed up to be the chaperone at the dance.
2. To write the name of (a person or thing) to be in an activity; also, to persuade (someone) to do something.
Betty decided to sign up her dog for obedience training.
The superintendent has signed up three new teachers for next year.

[TahlilGaran] English Idioms Dictionary ▲

sign someone up
sign (someone) up
to join or invite someone to join a group or organization.
Kathy signed up for the soccer team this year.

The team signed him up for two years.

Local officials worked to sign up students to the summer jobs program.

Usage notes: often used when someone puts their signature on an official document

[TahlilGaran] English Idioms Dictionary ▲