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-ous

adjective suffix

Simple Definition of -ous

  • : full of : having a large amount of : having the quality of

Source: Merriam-Webster's Learner's Dictionary

Full Definition of -ous

  1. 1 :  full of :  abounding in :  having :  possessing the qualities of <clamorous> <poisonous>

  2. 2 :  having a valence lower than in compounds or ions named with an adjective ending in -ic <mercurous>

Origin and Etymology of -ous

Middle English, from Anglo-French -us, -ous, from Latin -osus


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