Unnatural

/ʌˈnætʃərəl/

Meaning & Definition

adjective

Not in its natural state; artificial or forced.

The colors in the painting were so bright that they appeared unnatural.

Deviating from the natural or expected; abnormal.

His unnatural behavior at the gathering raised eyebrows among the guests.

Not occurring naturally; produced by the intervention of humans.

The scientist noted the unnatural increase in the population of the species after the introduction of a new food source.

Not conforming to established moral or ethical standards.

The community was shocked by the unnatural crimes that had taken place in their neighborhood.

Middle English, from un- + natural

unnatural selection

A process in which human choices, rather than natural events, influence the survival and reproduction of species.

natural

existing in or derived from nature; not made or caused by humankind.

artificial

made or produced by human beings rather than occurring naturally.

Out of the ordinary or strange.

That outfit is so unnatural, it's almost alien.

Not behaving in a typical manner.

He was acting unnatural at the party, like he didn't belong.