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sign

A1
adjective
Very common

Pronunciation

UK

  • /sˈaɪn/

US

  • /ˈsaɪn/

Meanings

Noun

  1. a written symbol, posted notice, or display that gives information, instruction, or warning

  2. something that shows or suggests that something else is true, happening, or likely

  3. a gesture or hand shape used to communicate, especially in sign language

More meanings
  1. one of the twelve astrological divisions of the zodiac, such as Aries or Leo

Verb

  1. to write your name on a document to authorize, approve, or confirm it

  2. to communicate or direct with gestures, signs, or sign language

Beyond the definition

A sign can be many things: a board by the road, a clue that tells you what is happening, or a signal that gives you a message. At its heart, it is something that shows, points to, or stands for something else. You might see a "Wet Floor" sign and walk more carefully, or notice dark clouds as a sign that rain is coming.

The word also works as a verb. You can sign your name on a form, or sign with your hands when using Sign Language or simple gestures. In everyday English, this word often appears when people talk about notices, clues, warnings, and actions that make something official.

Examples

  1. 1

    Directions

    I followed the signs to the train station.

  2. 2

    Shop notice

    There was a sign on the door saying the shop was closed.

  3. 3

    Evidence

    Her voice showed no sign of panic.

    • Patternno sign of + feeling/problem

      no evidence of it

  4. 4

    Social signal

    A warm smile is usually a sign that someone feels welcome.

More examples
  1. 5

    Form signature

    Please sign your name at the bottom of the form.

  2. 6

    Package delivery

    I had to sign for the package when it arrived.

    • Patternsign for + delivery/item

      write your name to show that you received it

  3. 7

    Legal agreement

    Both of them signed the contract that afternoon.

  4. 8

    Arrival record

    Visitors must sign in at the front desk.

    • Phrasesign in

      write your name or officially arrive

  5. 9

    Class registration

    More than 300 people signed up for the class.

    • Patternsign up for + class/activity

      join or register for it

  6. 10

    Gesture

    She signed to me from across the room to wait.

    • Patternsign to + person

      use a gesture to communicate with them

  7. 11

    Sign language

    His sister is deaf, so the whole family has learned sign language.

See also

Similar

Shades of meaning

Contrast

Used with (collocations)

  • a sign of trouble
  • early signs
  • warning sign
  • tell-tale sign

Word family

Explore

Forms and spellings

4 forms open this card.

Main spelling

  • signnounverbadjective

Forms

  • signedpast tenseverbnounadjective
  • signspluralnounverbadjective
  • signing-ing formverbnounadjective