Ous definitions

Possessing; full of; characterized by.

Joyous.

suffix
21
1
Having, full of, characterized by.

Beauteous, capacious.

affix
19
1
Having a valence lower than that of a specified element in compounds or ions named with adjectives ending in -ic.

Ferrous.

suffix
17
2
Having a lower valence than is indicated by the suffix -ic.

Mercurous.

affix
15
2
Ous is defined as full of or possessing.

An example of ous used as a suffix is in the word "contemptuous," which means full of contempt.

suffix
7
2
Plural form of ou.
noun
1
1

Origin of ous

Middle English from Old French -ous, -eus, -eux from Latin -ōsus -us adj. suff