sign on

1. To join something, after signing.

2. To commit oneself, as to a project, a goal, an organization, a cause.

   I never signed on for this.

3. To begin broadcasting a radio or television signal, usually at the beginning of a broadcasting day and after being off the air for several hours.

   Years ago, the TV station would sign on at 5 a.m., but now it broadcasts 24 hours a day.

4. (idiomatic)To log on; to start using a computer, radio, or other multicast device; to start talking.

5. (UK, intransitive)To apply to receive unemployment benefits.

1. Please sign your name on the contract.

   Будь ласка, підпишіть контракт. — shanghainese

   ruПожалуйста, подпишите договор. — Selena777

   deBitte unterschreiben Sie den Vertrag. — xtofu80

   CC BY 2.0 FR · Tatoeba · CK · B2Open on TatoebaReport a problem

2. Will you sign your name on this paper?

   deWürden Sie dieses Dokument unterschreiben? — Tamy

   CC BY 2.0 FR · Tatoeba · CK · A1Open on TatoebaReport a problem

3. Tom pointed to a sign on the wall.

   CC BY 2.0 FR · Tatoeba · CK · A2Open on TatoebaReport a problem

4. What does the sign on the door say?

   CC BY 2.0 FR · Tatoeba · CK · A1Open on TatoebaReport a problem

5. Tom has to sign his name on this document.

   CC BY 2.0 FR · Tatoeba · CK · B1Open on TatoebaReport a problem

irregular

• sign upзамовити, замовлятиTo add a name to the list of people who are participating in something.
• sign onпідписати, підписуватиTo join something, after signing.
• sign inзареєструватися, реєструватисяTo sign one's name on a list when entering a place, to indicate one's arrival.
• sign offTo log off; to stop using a computer, radio, etc.; especially, to stop talking.
• sign outTo sign one's name as an indication that one is leaving some location; to take some action to indicate one is leaving a secured program or web page on a computer.
• sign overTo transfer (property or rights) to somebody else by signing a document.
• sign awayTo give up something, such as a right or possession, by signing a document.