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

2 senses of celluloid

Sense 1
celluloid -- (highly flammable substance made from cellulose nitrate and camphor; used in e.g. motion-picture and X-ray film; its use has decreased with the development of nonflammable thermoplastics)
       => thermoplastic, thermoplastic resin -- (a material that softens when heated and hardens again when cooled)

Sense 2
film, cinema, celluloid -- (a medium that disseminates moving pictures; "theater pieces transferred to celluloid"; "this story would be good cinema"; "film coverage of sporting events")
       => medium -- (a means or instrumentality for storing or communicating information)

Antonyms of adj celluloid

1 sense of celluloid

Sense 1
celluloid, synthetic -- (artificial as if portrayed in a film; "a novel with flat celluloid characters")

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 celluloid

1 sense of celluloid

Sense 1
celluloid, synthetic -- (artificial as if portrayed in a film; "a novel with flat celluloid characters")
       => artificial (vs. natural), unreal -- (contrived by art rather than nature; "artificial flowers"; "artificial flavoring"; "an artificial diamond"; "artificial fibers"; "artificial sweeteners")