Positive Friday
Sure, certain, positive, cocksure mean having no doubt or uncertainty. The most important thing is to go into the exam feeling positive. It's a humbling experience to see people being so positive about life when they have so little.
If you are positive, you are hopeful and confident, and think of the good aspects of a situation rather than the bad ones. Did you have a positive [= pleasant] experience working with that company? The book had a positive influence on me.
He has been a positive role model for his brother. Write down all the positive things about your life. The rural environment was having a positive effect on the children’s health.
It’s been a very positive experience for her. See examples of positive used in a sentence. Some common synonyms of positive are certain, cocksure, and sure.
While all these words mean "having no doubt or uncertainty," positive intensifies sureness or certainty and may imply opinionated.