artificial Antonyms

natural unbeguiling robotic programmed uninflected straight-from-the-shoulder inbuilt watertight unforced unpretending certifiable chemical-free plant-based unpretentious unprocessed pucka true to life automated autochthonic atavistic unconditional undesigning unerring unfeigned unlabored unstudied veracious veridical verifiable veritable zoological unmixed unmitigated unrehearsed all-out right smart sure enough appear in nature appear naturally appear normally arise in natural manner arise in natural way arise in nature arise naturally arise normally arise out of nature born this way created by nature crop up in natural manner crop up in natural way