Definition from macmillandictionary.com
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Are you positive that there’s been no mistake?
We’d met before – I was positive about that.
We’ll make money from this deal – I’m positive of that.
a positive attitude
Try to think positive thoughts.
You have every reason to be positive about the future.
The experiment is working well and feedback is very positive.
We couldn’t be sure if her reaction would be positive.
School was a totally positive experience for me.
The positive aspects of parenthood are rarely written about.
An initiative to help homeless people is showing positive results.
a positive role model
Students learn better in this positive environment.
The whole thing was a positive embarrassment.
You must be prepared to make a positive contribution to the business.
The indications are positive that this year’s festival will be a success.
a positive diagnosis
The runner was suspended for two years after he tested positive for drugs.