Sign-up or Sign up? Effective Guide to Appropriate Usage

Many terms in English Grammar have more than one form.…

Many terms in English Grammar have more than one form. It can be tough to know when to use one and when to use another. Sign-up or Sign up? What are the differences in meaning and usage?

Sign-up or Sign up

“Sign-up” and “Sign up” are often used interchangeably in conversations and writing. Understanding their different meanings can be quite challenging, even for those who speak the language well. Here are some rules and explanations to help you use the words the right way:

Sign up

Sign up is a verbal phrase used to refer to an act of entering into an agreement or participating in something. It could be a membership or subscription. When you sign up, you agree to participate in something, such as joining a group or club. It is the act of putting your name on a list or contract. The word can be used in the past tense to indicate that you have “signed up.” The present continuous tense form – “signing up” indicates the process of carrying out the action.


  • I will sign up for the marathon next month.
  • Have you signed up for the competition?
  • James signed up for the website.
  • I can’t seem to sign up with Google.
  • I signed up for a membership at the library.


Sign-up functions a noun or an adjective. As a noun, it refers to where the action of signing up takes place. It can be a piece of paper, a website, or a library. As an adjective, it modifies the piece of paper or website where the sign-up happens.


  • The sign-up paper is filled up; we need another one. (Adjective)
  • Sign-up for the race on your team’s website. (Noun)
  • Mary is in charge of the sign-up sheet. (Adjective)
  • The marathon sign-up is open until the end of the week. (Noun)
  • Signs-ups for membership in the club take place in the library. (Noun)
person holding on red pen while writing on book
Photo by lilartsy on Unsplash


Sign-up or sign up? These words have the exact spelling and similar pronunciation but their usage applies to different contexts to convey the intended meaning.

Here’s an easy way to remember how to use sign-up and sign up the correct way:

  • Sign up is two words. It functions as a verb phrase.
  • Sign-up is one word. It acts as a noun or an adjective.

Frequently asked questions

Is it sign up or signup or sign up?

sign up. The word Sign Up (two words) is a verb phrase. With sign-up (hyphenated) we use nouns or adjectives. It appears that neither signup nor sign-up is the same word.

Does sign in need a dash?

Sign-in/sign-out – This is the only acceptable sign-in, while the unhyphenated form doesn’t exist. When a verb is used, two separate words are used.

Is it sign in or sign in?

This verb form is two words, sign in or sign out. Use caution without using a noun or adjective (sign-in or sign-out). Use a more descriptive or precise term. Please enter your password to sign in.

Is signup one word or two words?

The word signup is from the phrase signup. An area, sheet of paper or other device where one might sign to accept participation is a noun. Signup modifies a place, sheet of paper, or other device where one may sign.

What is the difference between log in and login?

A user’s username and password are usually a noun or adjective that gives access to materials. Logging in is a verb, and is the process of entering the personal information necessary for the access to information (such as a username and password).

How do you use sign up in a sentence?

  • Simply sign up now and send 99 SMS messages instantly.
  • You’ll be able to complete the bookkeeping part of your sign-up process with paperless applications, and you’ll receive money from sales straight after.

Is it sign up for or sign up to?

Sign up is the phrasal verb; the preposition for is used when you introduce the object. To agree to participate in an organized activity: [ + infinitive] I am going to make the sandwiches for the party.

What is the synonym of signed?

endorsed. Registered, signed on, (also indignant).

What is the plural of sign up?

Noun. Signup (plural signups) The act of signing up for a commercial service.

What is the use of sign in?

Sign-in defines taking some action to access a secured program or web page on a computer; log in.

Which is better sign in or log in?

Sign in and log in are synonymous in computing. Both of them mean “to open a session to an account already established”. An additional difference is: the derived noun login is “a username; a session is under that username,” but there is no such noun as *signin. You usually meet terms like sign in and sign out outside of computing.

What is another word for sign up?

You can find 10 synonyms, antonyms, adjectives, and idiomatic expressions for sign up, including: sign up form, register, sign up for, log on, signup, join-up, sign,.

What is difference between signup and sign in?

If you log in, your name is on the list, and you are already registered. Your credentials are already saved with this account and you are only authenticating yourself as a returning user. Signing up, on the other hand, is a new user’s action.

What is meant by signup?

An online account is created using an email address or a username and password when you sign up. On-line accounts usually correspond with websites or web services. Once someone has signed up for a service, they can login to their account.

Sign-up or Sign up? Effective Guide to Appropriate Usage

Pam is an expert grammarian with years of experience teaching English, writing and ESL Grammar courses at the university level. She is enamored with all things language and fascinated with how we use words to shape our world.

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