UNNAT'URAL, adjective 1. Contrary to the laws of nature; contrary to the natural feelings. 2. Acting without the affections of our common nature; as an unnatural father or son. 3. Not in conformity to nature; not agreeable to the real state of persons or things not representing nature; as affected and unnatural thoughts; unnatural images or descriptions.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI