68 Synonyms & Antonyms of LOCK - Merriam-Webster
https://www.merriam-webster.com/thesaurus/lock
WebSynonyms for LOCK: latch, shut, bolt, fasten, bar, chain, close, seal; Antonyms of LOCK: open, unlock, unlatch, unfasten, unseal, unbolt, unbar, unchain
DA: 40 PA: 96 MOZ Rank: 85