What is the meaning of Sterile?

Unable to reproduce (or procreate).

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

Fruitless, uninspiring, or unproductive.

Germless; free from all living or viable microorganisms.

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

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

inflection of steril:

  1. strong/mixed nominative/accusative feminine singular
  2. strong nominative/accusative plural
  3. weak nominative all-gender singular
  4. weak accusative feminine/neuter singular

strong/mixed nominative/accusative feminine singular

strong nominative/accusative plural

weak nominative all-gender singular

weak accusative feminine/neuter singular

sterile

sterile, barren, unprolific, infertile

sterile, sterilized (medicine)

vain, pointless

unproductive

nominative/accusative/vocative neuter singular of sterilis

definite singular/plural of steril

definite singular/plural of steril

definite natural masculine singular of steril

Source: wiktionary.org