Select the most appropriate meaning of the given idiom.

Give cold shoulder

Ignore, avoid or be unfriendly towards someone

The most appropriate meaning of the idiom "give cold shoulder" is (4) Ignore, avoid or be unfriendly towards someone.

The other options do not fit the meaning of the idiom.

• To start doing something before the appropriate time is to be premature.
• To be guiltless means to be innocent of wrongdoing.
• To think only of one thing is to be single-minded.