/ Dictionary / Index U -ulous: Meaning and Definition of Find definitions for: -ulous Pronunciation: [key] a suffix occurring in adjectives borrowed from Latin, with the meaning “inclined to do, habitually engaging in” the action specified by the initial element: bibulous; credulous; garrulous; tremulous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ulotrichous ulpan Related Content Daily Word Quiz: inane Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language