SIGN UP (FOR) Synonyms: 15 Similar and Opposite Words

verb

Definition of sign up (for)

as in to join

to become a member of they both signed up for a Spanish class

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for sign up (for)

Verb

The duo is the latest to join stars like Jodie Foster and Rashida Jones, who sported similar footwear styles earlier this summer.

— Mariana Best, PEOPLE, 4 Sep. 2026
When late summer rolls around, Taylor Fritz joins a chorus of Americans in extoling the virtues of hard courts and talking about how the North American swing is his favorite time of year.

— Ava Wallace, New York Times, 4 Sep. 2026

Definition of join

Verb

Officials added that people cannot become infected with Naegleria fowleri by swallowing contaminated water; however, the amoeba can enter the body when it is forcefully introduced, such as through the nose into the brain.

— Angel Saunders, PEOPLE, 2 Sep. 2026
For San Francisco, a comeback of epic proportions — the club was down 11-5 entering the fourth inning — was for naught.

— Johnny Flores Jr, New York Times, 2 Sep. 2026

Definition of enter

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

sign (up or on)

See all Nearby Words

Cite this Entry

Style

“Sign up (for).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sign%20up%20%28for%29. Accessed 5 Sep. 2026.

Copy Citation

Synonyms of sign up (for)

verb

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

matriculate

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

A List of Most Commonly Confused Words

Why do we use apostrophes to show possession?

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Popular in Wordplay

The Longest Long Words List

Stay Woke

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Sept. 4

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

The Longest Long Words List

Stay Woke

Games & Quizzes