caution · noun /ˈkɔː.ʃən/
caution
C1 U great care and attention not to take risks or get into danger
Dictionary examples:
Travellers have been advised to exercise great caution when passing through the region.
I would treat anything he says with extreme caution.
Learner example:
Extreme caution has to be taken during push-back and engine start. (Certificate in Advanced English; C1; Portuguese)
throw caution to the wind
C2 to take a risk
Dictionary example:
I decided to throw caution to the wind and book a ticket to India.
Learner example:
They just threw caution to the wind, and did what they wanted. (Certificate in Advanced English; C1; )
caution · verb /ˈkɔː.ʃən/
caution
C2 I or T to warn someone of something
Dictionary example:
They were cautioned against buying shares in the company.
Learner example:
This is a totally unnecessary situation to be in and if possible, people should be cautioned about getting into such a habit. (International English Language Testing System; C2; Tagalog)