Simple Definition of unnatural
: different from how things usually are in the physical world or in nature
: different from what is normal in a way that is seen as wrong, disturbing, etc.
: not real
Full Definition of unnatural
1 : not being in accordance with nature or consistent with a normal course of events
2 a : not being in accordance with normal human feelings or behavior : perverse b : lacking ease and naturalness : contrived <her manner was forced and unnatural> c : inconsistent with what is reasonable or expected <an unnatural alliance>
unnaturallyplay \-ˈna-chə-rə-lē, -ˈnach-rə-, -ˈna-chər-\ adverb
unnaturalnessplay \-ˈna-chə-rəl-nəs, -ˈnach-rəl-\ noun
Examples of unnatural in a sentence
It seems unnatural to keep the bird in a cage.
She has an unnatural obsession with money.
Her smile looked forced and unnatural.
First Known Use of unnatural
Synonym Discussion of unnatural
UNNATURAL Defined for Kids
Definition of unnatural for Students
1 : different from what is found in nature or happens naturally
2 : different from what is usually considered normal behavior
3 : not genuine <an unnatural smile>
Seen and Heard
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