/ Dictionary / Index R responsiveness: Meaning and Definition of Find definitions for: re•spon•sive•ness Pronunciation: (ri-spon'siv-nis), [key] — n. the quality or state of being responsive. the ability of a machine or system to adjust quickly to suddenly altered external conditions, as of speed, load, or temperature, and to resume stable operation without undue delay. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: responsiveness (Thesaurus) responsive responsor Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language