DictionarysignIndication
noun / verb

sign

SYNE/saɪn/

A perceptible indicator conveying information.

The guard's raised hand is a sign telling the pedestrians to stop.

A crossing guard raises an open hand toward approaching pedestrians, and the pedestrians stop because the visible gesture communicates that they should wait.
Etymology

Latin signum could be an identifying mark or evidence of something. Early English sign also named a meaningful hand gesture, illustrating how a visible feature can convey information without words.

In context

Jason Silva: Shots of Awe0:12
it used to be that a sign of prosperity was being given more choices.
Does Technology Know Us Better Than Ourselves?
Robert Neuwirth10:05
This is a real street sign in Lagos, Nigeria.
Robert Neuwirth: The power of the informal economy

More examples

  • Fresh tracks in the snow are a sign of deer.
  • A plus sign tells you to add the numbers.
  • Please sign the form before you leave.
  • She signs to her brother across the noisy room.

Forms

sign · signs · signed · signing

signature noun — A person's name written for identification.

Similar words

indication
Suggests a condition or fact, rather than a displayed message.
symbol
Represents an idea by convention, rather than providing evidence.
signal
Often prompts action or communicates information at a particular moment.