Adjective ninth has 1 sense
  1. ninth, 9th - coming next after the eighth and just before the tenth in position
    Antonym: cardinal (indirect, via ordinal)
,Noun ninth has 2 senses
  1. ninth - position nine in a countable series of things; "going into the ninth they were a run ahead"
    --1 is a kind of
    rank
  2. one-ninth, ninth - a ninth part
    --2 is a kind of common fraction, simple fraction
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