sterile

To emphasize that something is totally clean and free from germs.

To emphasize a lack of interest, warmth, or character.

Becoming more and more uninteresting or lacking in creativity over time.

Somewhat or to some degree uninteresting or lacking in character.

Mostly or for the most part uninteresting or unproductive.

In a carefully controlled environment that is free from germs, typically in a medical or scientific context.

Used to describe a state of being completely clean and free from microorganisms.

To maintain something in a completely clean and germ-free condition.

To cause something to become completely clean and free from germs, for example by heating it.

To continue to be in a clean and germ-free state.

Used to describe a living being that is unable to produce offspring.

To change to a state of being unable to reproduce.

To cause someone to become unable to have children.

To continue to be unable to reproduce.

To cause someone to become permanently unable to have children, often as a result of illness or injury.

A more formal term for causing someone to become unable to have children.

Describes something, like a discussion or relationship, that is lacking interest or creativity.

To change to a state of being uninteresting or lifeless.