Less; requiring to be subtracted; negative; as, a minus quantity.
- Mathematics Reduced by the subtraction of; less: Ten minus four is six.
- Informal Without: I went to work minus my ID.
- Mathematics Negative or on the negative part of a scale: a minus value; minus five degrees.
- Ranking on the lower end of a designated scale: a grade of A minus.
- Mathematics The minus sign (-).
- Mathematics A negative quantity.
- A deficiency or defect.