/ Thesaurus / L Synonyms of lock stitch Find synonyms for: Noun1. lockstitch, machine stitch, sewing-machine stitchusage: machine stitch in which the top thread interlocks with the bobbin threadWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language