Boldly geometrical style (3,4)

I believe the answer is:

art deco

(Other definitions for art deco that I've seen before include "Style of decorative art popular in 1920s and 1930s" , "Style characterised by bold geometric shapes" , "1920-30s design style" , "Style of 1920s/30s" , "modern style" .)

I've seen this clue in The Times.

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