Antonyms of noun natural_object

1 sense of natural object

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

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

1 sense of natural object

Sense 1
natural object -- (an object occurring naturally; not made by man)
       => 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")