Dictionary

-ous

adjective suffix

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

Full Definition of -OUS

1
:  full of :  abounding in :  having :  possessing the qualities of <clamorous> <poisonous>
2
:  having a valence lower than in compounds or ions named with an adjective ending in -ic <mercurous>

Origin of -OUS

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

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May 30, 2015
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