sign

/saɪn/ noun [C]

Definition

› a flat object giving information, directions, a warning, etc.: The store had a handwritten sign in the window. A sign advertising the closing-down sale was clearly visible from the road. road/shop/street signs

› a written or printed mark that has a standard meaning: + is the plus sign and % is the percentage sign.

› something that shows that something else exists or might happen or exist in the future: a sign of sth His inability to handle the situation is a sure sign of weakness. a sign that There are signs that the economy is improving Neither side is showing signs of backing down. All the signs are that the worst is over.

(Definition of sign noun from the Cambridge Business English Dictionary © Cambridge University Press)