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Definitions

unnatural

[uhn-nach-er-uhl, -nach-ruhl] / ʌnˈnætʃ ər əl, -ˈnætʃ rəl /
ADJECTIVE
not regular; artificial
Synonyms
STRONGEST
abnormal bizarre incredible odd outlandish outrageous perverse preposterous stilted strange unusual
STRONG
affected
WEAK
aberrant anomalous assumed concocted contrary contrived ersatz extraordinary fabricated factitious false feigned forced freakish freaky imitation insincere irregular labored made-up make believe perverted phony pseudo put on staged stiff strained studied supernatural synthetic theatrical unaccountable uncanny unconforming unorthodox
Antonyms
STRONGEST
common familiar normal reasonable regular sensible standard usual
WEAK
acceptable genuine natural real

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

What they were doing out there was almost unnatural, their ability to soak up the punches and stay on their feet.

From BBC • Apr. 26, 2026

There’s no marvel in something created by feeding a prompt to a genAI program, never mind that 99% of the time, the result looks revolting and unnatural.

From Salon • Apr. 17, 2026

But it felt gross and unnatural to ask for cash.

From Slate • Feb. 19, 2026

Across the state, the annual cash payments were not associated with an increase in serious traumatic injuries or deaths from unnatural causes in the short term.

From Science Daily • Feb. 16, 2026

He'd take a bite, and the rest of us would wince at the unnatural silence.

From "Me Talk Pretty One Day" by David Sedaris