/ Dictionary / Index S synchronized shifting: Meaning and Definition of Find definitions for: syn'chronized shift'ing Pronunciation: [key] — Auto. Auto. gear shifting in which the gears to be meshed are made to rotate at the same speed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. synchronize synchronized swimming Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language