Antonyms of noun artifact

1 sense of artifact

Sense 1
artifact, artefact -- (a man-made object taken as a whole)
       Antonym of natural object (Sense 1)
      => natural object -- (an object occurring naturally; not made by man)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun artifact

1 sense of artifact

Sense 1
artifact, artefact -- (a man-made object taken as a whole)
       => whole, unit -- (an assemblage of parts that is regarded as a single entity; "how big is that part compared to the whole?"; "the team is a unit")