sure, certain, positive, cocksure mean having no doubt or uncertainty. sure usually stresses the subjective or intuitive feeling of assurance. certain may apply to a basing of a conclusion or …

POSITIVE definition: 1. full of hope and confidence, or giving cause for hope and confidence: 2. certain and without…. Learn more.

1. characterized by or expressing certainty or affirmation: a positive answer. 2. composed of or possessing actual or specific qualities; real: a positive benefit. 3. tending to emphasize what is …

showing or expressing approval or agreement; favorable: a positive reaction to the speech. consisting in or characterized by the presence or possession of distinguishing or marked …

If you are positive, you are hopeful and confident, and think of the good aspects of a situation rather than the bad ones.

There are 39 meanings listed in OED's entry for the word positive, seven of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

In terms of qualities or traits, a positive attribute implies something that is advantageous, helpful, or conducive to success. It can also refer to the presence of favorable conditions, …

In the simplest sense, positive means good — or the opposite of negative. If you have a positive attitude about homework, for example, you're more likely to get positive feedback on your …

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.

(of a person) diagnosed as having a specified medical condition, or having a specified substance in the body (often used in combination): She tested positive for lupus.