DictionaryAI

signature

USSIG-nuh-chur/ˈsɪɡnət͡ʃɚ/UKSIG-nuh-chuh/ˈsɪɡnət͡ʃə(ɹ)/AUSSIG-ni-chuh/ˈsɪɡnɪt͡ʃə(ɹ)/

Pluralsignatures

13 meanings of signature

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  1. 1
    nouncountable
    Your name written in your own hand, used to show you agree or to prove who you are.

    Like a special mark only you can make, so people know something is really from you.

    She added her signature at the bottom of the form.

    The bank compared the two signatures before approving the check.

    Similarautograph

    Note
  2. 2
    adjective
    Special and easy to recognize as belonging to one person or thing.

    Like a favorite move a player always does, so everyone knows it's them.

    The chef served his signature dish to the judges.

    That bright red coat is her signature look.

    Similariconic

    Note
  3. 3
    nouncountable
    A special feature or product that one person, place, or business is known for.

    Like the special taste that makes one cook's food different from everyone else's.

    Cheesecake is the signature of that little bakery downtown.

    Every great designer has a signature that sets their work apart.

    Similarhallmark, trademark, specialty

    Note
  4. 4
    nouncountable
    Lines added to the end of your emails or posts, often with your name and contact details.

    Like a stamp at the bottom of a letter that's always the same.

    He set up a signature with his phone number for all his work emails.

    Many forums let you add an image to your signature.

    Similarsig, siggy

    Note
  5. 5
    nouncountable or uncountable
    The act of writing your name to sign something.

    Like the moment you write your name to make something real.

    The signature of the contract took only a moment.

    After one quick signature, the car was officially hers.

    Similarsigning

    Note
  6. 6
    nouncountable
    Special data added to a message that proves it really came from who it says.

    Like a special seal that breaks if someone changes the letter inside.

    Your computer checks the signature to make sure the file is safe.

    Each update comes with a signature that the system can verify.

    Note
  7. 7
    nouncountable
    Marks at the start of written music that show the key and the beat.

    Like a sign at the start of a game that tells you the rules before you play.

    The teacher pointed to the signature to show us the key.

    This song has a signature with three sharps.

    Note
  8. 8
    nouncountable
    A pattern used to spot a known computer virus or recognize a piece of code.

    Like a fingerprint that helps you tell one thing apart from another.

    The antivirus updated its list of virus signatures overnight.

    Each known threat has its own signature that the scanner looks for.

    Similarfingerprint

    Note
  9. 9
    nouncountable
    A group of printed sheets folded together to make one section of a book.

    Like folding a big sheet of paper into a small booklet, then joining many booklets.

    The printer folded each signature before sewing the book together.

    A small book might be made of just a few signatures.

    Similargathering, section, quire

    Note
  10. 10
    nounfigurativelycountable
    A clear sign that shows or hints at something.

    Like footprints that show someone has already been there.

    The melting snow was a signature of the warmer days ahead.

    Burn marks left a signature of the fire's path across the field.

    Similarsign, mark, hallmark, trace, indication

    Note
  11. 11
    nouncountable
    The part of a prescription that tells the patient how to take the medicine.

    Like the instructions on a box that tell you how to use what's inside.

    The pharmacist read the signature aloud so the patient understood the dose.

    Always follow the signature on your prescription carefully.

    Note
  12. 12
    nouncountable
    In math, a list showing the plus and minus signs of a quadratic form written using only squared terms.

    Our teacher asked us to find the signature of the quadratic form on the board.

    The signature tells you how many positive and negative terms remain.

    Note

Less common meaning

  1. 13
    nounobsolete
    An old belief that a disease and its cure look alike, such as a red cloth matching a fever's red skin.

    Like thinking a yellow fruit must cure a yellow illness just because the colors match.

    The old healer trusted the signature linking a red cloth to the fever's red skin.

    By that signature, a heart-shaped leaf was given for ailments of the heart.

    Note

Practice

Can you tell the meanings of signature apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origin

It came from Middle French signature or Medieval Latin signatura, based on Latin signare, from signum meaning 'sign'.