/ Dictionary / Index O oblique angle: Meaning and Definition of Find definitions for: oblique' an'gle Pronunciation: [key] an angle that is not a right angle; an acute or obtuse angle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oblique oblique circular cone Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language