non-negative

/N AA1 N EH0 G AH0 T IH0 V/
adjective
  1. 1

    Of a real number, either positive or zero; not negative; greater than or equal to zero.

    โ€œDistances are non-negative.โ€

  2. 2

    Of a real valued function, functional, etc. which has non-negative values over a particular domain D.

Antonyms

Source: https://en.wiktionary.org/wiki/non-negative