Breadcrumb Home > Thesaurus > L Synonyms of locknut Find synonyms for: Noun 1. locknut, safety nut, nut usage: supplementary nut that is screwed down on a primary nut to prevent it from loosening WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of locknut (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language