Antonyms of adj factitious

1 sense of factitious

Sense 1
factitious -- (not produced by natural forces; "brokers created a factitious demand for stocks")

INDIRECT (VIA artificial) -> natural -- (existing in or produced by nature; not artificial or imitation; "a natural pearl"; "natural gas"; "natural silk"; "natural blonde hair"; "a natural sweetener"; "natural fertilizers")

Similarity of adj factitious

1 sense of factitious

Sense 1
factitious -- (not produced by natural forces; "brokers created a factitious demand for stocks")
       => artificial (vs. natural), unreal -- (contrived by art rather than nature; "artificial flowers"; "artificial flavoring"; "an artificial diamond"; "artificial fibers"; "artificial sweeteners")