WordWeb Online

1. With the addition of; increased by
   "one plus one is two";
   - and

1. Involving advantage or good
   "a plus factor";
   - positive
    
2. On the positive side or higher end of a scale
   "a plus value"; "temperature of plus 5 degrees"; "a grade of C plus"

1. A useful or valuable quality
   - asset
    
2. The arithmetic operation of summing; calculating the sum of two or more numbers
   "four plus three equals seven";
   - summation, addition
    
3. A sign indicating the operation of addition
   - plus sign

1. And also; in addition
   "Let's go home now, it's late, plus I'm not feeling too well."

Derived forms: plusses, pluses

See also: advantageous, favorable [US], favourable [Brit, Cdn], nonnegative, positive

Type of: arithmetic operation, quality, sign

Antonym: liability, minus

Encyclopedia: Plus, minus, and plus-minus signs