-aceous

adjective suffix

Definition of -aceous

  1. 1a :  characterized by :  full of <setaceous>b :  consisting of <diatomaceous> :  having the nature or form of <tuffaceous>

  2. 2a :  of or relating to a group of animals typified by (such) a form <cetaceous> or characterized by (such) a feature <crustaceous>b :  of or relating to a plant family <solanaceous>

Origin and Etymology of -aceous

Latin -aceus


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rude, impolite, or socially unacceptable

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