-itious

1. a compound suffix occurring in adjectives of Latin origin ( adventitious ) and with adjectives, formed in Latin or English, associated with nouns ending in -ition ( ambitious; expeditious ). Compare -ite ², -ous.

-itious

suffix forming adjectives

1. having the nature of; characterized by

   suppositious

   nutritious

Word History and Origins

Origin of -itious¹

< Latin -icius or -īcius (as in adventitious ); and < Latin -itiōsus or -ītiōsus (as in ambitious )

Word History and Origins

Origin of -itious¹

from Latin -icius, -itious