Definition of plus adjective from the Oxford Advanced Learner's Dictionary

plus

1adjective

plʌs

plʌs

1 used after a number to show that the real number or amount is more than the one mentionedThe work will cost £10000 plus.

2 above zeroThe temperature is plus four degrees.

Opposite

minus

3 [only before noun] used to describe an aspect of something that you consider to be a good thingOne of the hotel's plus points is that it is very central.On the plus side, all the staff are enthusiastic.The plus side of working at home is that you can be more flexible.

Opposite

minus4 [not before noun] (used in a system of marks/grades) slightly higher than the mark/grade A, B, etcI got B plus (B+) in the test.

Opposite

minus