Lock
Lock noun - One that is certain to succeed.
Cite this Source
Ruff and Lock. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/lock/ruff
Lock & Ruff. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/lock/ruff>.
Ruff or Lock. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/lock/ruff.
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