sterile

/หˆstษ›ษนaษชl/
adjective
  1. 1

    Unable to reproduce (or procreate).

  2. 2

    Terse; lacking sentiment or emotional stimulation, as in a manner of speaking.

  3. 3

    Fruitless, uninspiring, or unproductive.

  4. 4

    Germless; free from all living or viable microorganisms.

    โ€œa sterile kitchen tableโ€

  5. 5

    Free from dangerous objects, as a zone in an airport that can be only be entered via a security checkpoint.

  6. 6

    Of weapons: foreign-made and untraceable to the United States.

Source: https://en.wiktionary.org/wiki/sterile