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PlainSpell

sign up

/ˈsaɪnˌʌp/verb

sign up is spelled S-I-G-N-U-P: 6 letters. People search “sign-up vs signup” about 720 times a month (Google, United States). As a verb, sign up means “To add a name to the list of people who are participating in something” (English Wiktionary, September 2026).

How many letters and syllables are in sign up?

Letters6: S-I-G-N-U-P
In writinga phrase: the frequency list counts single words
Wrong spellings searchednone measured in search
Pairs people search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).

How do you pronounce sign up?

  • /ˈsaɪnˌʌp/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-sign_up.wav, Wikimedia Commons (author and licence on each file's page).

Words people confuse with sign up

Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).

sign-up vs signup720 G

Also written: signup (one word or two).

Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).

Forms of sign up

  • signs up present, singular, he/she/it
  • signing up participle, present
  • signed up participle, past
  • signup

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does sign up mean?

The meanings the English Wiktionary records, quoted as written there (source below).

verb

  1. 1

    To add a name to the list of people who are participating in something.

    We signed Bob up for kitchen cleanup duty.

  2. 2

    To add one's own name to the list of people who are participating in something (including amateur, but not professional, teams).

    Coordinate term: sign in

  3. 3

    To agree to purchase some good or service.

    After much deliberation we decided to sign up for satellite TV.

  4. 4

    To enlist in the armed forces.

    Didn't you hear? He's just signed up!

noun

as sign-up
  1. 1

    The act of signing up, as for a commercial service or a committee.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Sign up in Spanish, French, German and Portuguese

LanguageWords
Frenchinscrire (to add a name to the list of people who are…), s'inscrire (to add one's own name to the list of people who…), s'abonner (to agree to purchase some good or service)
Germaneinschreiben, anmelden (to add a name to the list of people who are…), abonnieren (to agree to purchase some good or service)
Portuguesesubscrever (to add a name to the list of people who are…), cadastrar (to add one's own name to the list of people who…), inscrever (-se) (to agree to purchase some good or service)
Spanishinscribir, alistar, enlistar, apuntar, registrar, matricular (to add a name to the list of people who are…)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does sign up come from?

Deverbal from sign up.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after sign up