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
-OUS Defined for Kids

-ous

adjective suffix \əs\

Definition of -OUS for Kids

:  full of :  having :  resembling <dangerous> <poisonous>

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July 04, 2015
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rigorous, strict, or severe
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