positive

US /ˈpɑː.zə.t̬ɪv/
UK /ˈpɑː.zə.t̬ɪv/
"positive" picture
1.

with no possibility of doubt; clear and definite

:
I'm positive that I locked the door.
We need a positive answer by tomorrow.
2.

constructive, optimistic, or confident

:
She has a very positive outlook on life.
Try to stay positive even in difficult times.
3.

indicating the presence or existence of something

:
The test result was positive for the virus.
There was a positive correlation between exercise and health.
1.

a photographic image on a transparent base that shows the tones or colors of the original subject correctly

:
The photographer developed a positive from the negative.
She held the positive up to the light to examine it.