sterile

From Wiktionary

Adjective[change]

Positive
sterile

Comparative
more sterile

Superlative
most sterile

  1. A sterile person or animal cannot make babies, even if they have sex.
    Because Mr. and Mrs. Jones are sterile, they adopted a child.
  2. (medicine) If something is sterile it has no living things, especially bacteria.
    Please use a sterile bandage to cover your wound.