/ Dictionary / Index L lockstep: Meaning and Definition of Find definitions for: lock•step Pronunciation: (lok'step"), [key] — n. a way of marching in very close file, in which the leg of each person moves with and closely behind the corresponding leg of the person ahead. a rigidly inflexible pattern or process. —adj. rigidly inflexible: a lockstep educational curriculum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lockstep (Thesaurus) locksmith lock stitch Related Content Daily Word Quiz: intrepid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language