Adjective state of the art has 1 sense
  1. state-of-the-art - the highest level of development at a particular time (especially the present time); "state-of-the-art technology"
    Antonym: regressive (indirect, via progressive)
,Noun state of the art has 1 sense
  1. state of the art - the highest degree of development of an art or technique at a particular time; "the state of the art in space travel"
    --1 is a kind of
    degree, level, stage, point
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