i signed up

USAGE SUMMARY

The phrase "I signed up" is correct and usable in written English.
You can use it when referring to the act of registering or enrolling for something, such as a service, event, or program. Example: "I signed up for the online course to improve my skills in graphic design."

✓ Grammatically correct

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

So I signed up.

The New York Times - Science

And so I signed up.

The New York Times

I signed up for this".

The New York Times - Magazine

Have I signed up?

The Guardian - TV & Radio

Seven gregarious Texans and I signed up.

The New York Times - Travel

So I signed up to Spareroom.

Independent

So I signed up for paralegal school.

The New York Times - Magazine

That's what I signed up for.

The New York Times - Sports

I am very happy I signed up.

The Economist

So I signed up for the course.

The New York Times

"I signed up for this," she said.

The New York Times

Expert writing Tips

Best practice

Consider using stronger synonyms like "I enlisted" when you want to stress a sense of duty or commitment.

Common error

Avoid using "I signed up" when you mean to say you accessed an existing account. "Sign up" indicates the initial registration, whereas "sign in" or "log in" refers to accessing an account you've already created.

Linguistic Context

The phrase "I signed up" functions as a declarative statement indicating that the speaker has completed the action of registering or enrolling in something. According to Ludwig, the phrase is correct and usable in written English.

Expression frequency: Very common

Frequent in

News & Media

76%

Academia

12%

Science

4%

Less common in

Formal & Business

4%

Reference

0%

Social Media

0%

Ludwig's WRAP-UP

The phrase "I signed up" is a common and grammatically correct way to express that you have registered or enrolled for something. Ludwig confirms its correctness and usability across a variety of contexts. It's particularly frequent in News & Media and Academia. When writing, remember to distinguish between "sign up" (registering) and "sign in/log in" (accessing an existing account). Consider alternatives like "I registered" or "I enrolled" for slightly different nuances. This simple phrase effectively communicates your participation or commitment.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

I registered

Implies a more formal process of enrollment or recording information.

I enrolled

Suggests joining a course, program, or organization.

I subscribed

Specifically refers to registering for a service, publication, or channel, often with recurring payments.

I enlisted

Often used when joining the military or a cause, suggesting a commitment.

I joined

A general term for becoming a member of a group, team, or organization.

I signed on

Implies agreement or commitment, often in a professional context like a contract or project.

I put my name down

An informal way of saying you added your name to a list, indicating interest or participation.

I committed

Emphasizes dedication and willingness to participate or support something.

I volunteered

Signifies offering your services or time willingly, usually without pay.

I took part

Highlights participation in an event, activity, or project.

FAQs

What does "I signed up" mean?

The phrase "I signed up" means that you have registered or enrolled for something, such as a service, event, or program.

What can I say instead of "I signed up"?

You can use alternatives like "I registered", "I enrolled", or "I subscribed" depending on the context.

Is it correct to say "I signed up for" something?

Yes, it's perfectly correct to say "I signed up for" something. For example, "I signed up for the course" is grammatically sound.

What's the difference between "I signed up" and "I signed in"?

"I signed up" refers to the initial act of registering or creating an account, whereas "I signed in" (or "logged in") refers to accessing an account that you've already created.