See Also: ious(dictionary)

ious (iou)



-ious suffix.
[from -i (cf. -I-) + -OUS, repr. Latin -iosus, French -ieux.]
Forming adjectives with the sense 'characterized by, full of', as cautious, curious, spacious. Often corresp. to nouns in -ion, esp. those in -tion, -cion, -sion, as rebellion, rebellious, infection, infectious. See -ITIOUS2, -OUS.