/ Dictionary / Index A all-pass: Meaning and Definition of Find definitions for: all-pass Pronunciation: (ôl'pas", -päs"), [key] — adj. (of a network, transducer, etc.) transmitting signals without significant attenuation of any frequencies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alloy steel all-points bulletin Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language