-eous

1. an adjectival suffix with the meanings “composed of,” “resembling, having the nature of,” occurring in loanwords from Latin ( igneous; ligneous; vitreous ); also, as a semantically neutral suffix, found on adjectives of diverse origin, sometimes with corresponding nouns ending in -ty2 ( beauteous; courteous; hideous; homogeneous; plenteous; righteous ).

-eous

suffix forming adjectives

1. relating to or having the nature of Compare -ious

   gaseous

Word History and Origins

Origin of -eous¹

< Latin -eus; -ous

Word History and Origins

Origin of -eous¹

from Latin -eus

Example Sentences

Self′-rev′erent; Self′-right′eous, righteous in one's own estimation: pharisaical.

From Project Gutenberg

Consanguine, kon-sang′gwin, adj. related by blood: of the same family or descent—also Consanguin′eous.

From Project Gutenberg

Membranous or eous: composed of membrane or skin-like tissue.

From Project Gutenberg