a stop sign
I saw a "For Rent" sign in the window.
And it [is] easy to get there, just follow the sign. (Key English Test; A2; Arabic)
Flowers are the first sign of spring.
There was nobody in the place, and I thought that was a bad sign.
His inability to handle the situation is a sign of weakness.
The fact that he's eating more is a sign that he's feeling better.
There's no sign of progress with the construction work.
Allie's work at school has shown signs of improvement.
There is every sign that the worst is over.
The bride and the groom meet at the church because it's a bad sign if the groom sees the bride before the ceremony. (Preliminary English Test; B1; Spanish)
She pointed to her watch as a sign that it was getting late and she wanted to leave.
He made the thumbs up sign, so I knew everything was OK.
Give me a sign when you're ready to head home.
She looked at Paul and made a strange sign with her fingers. (Preliminary English Test; B1; Spanish)
+ and - are mathematical signs.
Use a dollar sign in the chart instead of writing the word, for example use $14, not 14 dollars.
The sign for the British pound is £.
By eight o'clock, there was still no sign of Janne.
She said she'd left the book on the table, but there's no sign of it.
He was supposed to come on Wednesday just like you told me but there was no sign of him. (First Certificate in English; B2; Swedish)
to sign a letter/form/check/contract/agreement
Sign here, please.
Jesse signed her name at the end of the letter.
He signed himself "Andrew Mahat."
She said the painting was by Picasso, but it wasn't signed.
It was signed "Fat Boy". (Preliminary English Test; B1; Farsi)
I've signed up for evening classes at the community college.
If you are interested in other activities, just sign up for them [on] the notice board. (Preliminary English Test; B1; Swedish)