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

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

Follow "I signed up" with a prepositional phrase specifying what you signed up for. For example, "I signed up for the newsletter".

Common error

Ensure the context makes it clear what you signed up for. Instead of just saying "I signed up", specify what it was: "I signed up for the marathon" or "I signed up for the service."

Linguistic Context

The phrase "I signed up" functions as a declarative statement, expressing the action of registering or enrolling in something. As Ludwig AI confirms, it is grammatically correct and widely used. It is a way of informing someone that the speaker has taken the necessary steps to participate in an activity or service.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Formal & Business

0%

Science

0%

Academia

0%

Ludwig's WRAP-UP

In summary, "I signed up" is a common and grammatically sound phrase used to express the act of registering or enrolling in something. Ludwig AI confirms its correctness and wide applicability. Its neutral register makes it suitable for diverse contexts, particularly in news and media. When using this phrase, ensure you clarify what you signed up for to avoid ambiguity. Alternatives such as "I registered" or "I enrolled" can be used depending on the desired level of formality.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

I registered

This is a more formal and direct substitute, implying official enrollment.

I enrolled

Similar to 'registered', but emphasizes joining a course or program.

I subscribed

Indicates agreement to receive a service or product regularly.

I joined

Focuses on becoming a member of a group or organization.

I enlisted

Often used in the context of joining the military or a similar organization.

I committed myself

Emphasizes dedication and obligation to something.

I agreed to participate

Highlights active involvement in an activity.

I volunteered

Suggests offering one's services willingly.

I took part in

Implies involvement in an event or activity.

I put my name down for

An informal way of saying you've added your name to a list.

FAQs

What does "I signed up" mean?

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

Is "I signed up" formal or informal?

The phrase "I signed up" is generally considered neutral and can be used in both formal and informal contexts. However, in very formal situations, phrases like "I registered" or "I enrolled" might be more appropriate.

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 to"?

Yes, it is grammatically correct to say "I signed up to" when followed by a verb, indicating what you signed up to do. For example, "I signed up to volunteer" is perfectly acceptable.