Not as great in amount or quantity:
(Math.) Designating a quantity less than zero, or one to be subtracted; minus quantity
(--- Archaic) A person employed to help, especially a farm worker or domestic servant.
Made smaller; lessened; reduced
Lacking an essential quality or element:
Anything that causes damage or injury
An unfavorable situation or circumstance; drawback; handicap
The definition of a drawback is a disadvantage or negative feature.
The definition of a handicap is a race where the competition is evened out by giving advantages to the weaker competitor and making the race more difficult for the stronger competitor, or something that is a disadvantage.
Added or extra:
Find another word for minus. In this page you can discover 21 synonyms, antonyms, idiomatic expressions, and related words for minus, like: subtract, less, defect, negative, lacking, help, zero, equal to, unrounded, diminished and short-of.