Keep
Lock in
Lock in verb - Close with or as if with a tight seal.
Both terms in one sentence
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Weld the Lock: Luke shoots the control panel lock in order to keep the Stormtroopers from getting in.
Source: Film / A New Hope - At any time, they could push their buttons to lock in their value, but the Money Clock would keep running until all four contestants buzzed in, at which point it would stop at a random value above or below the last locked-in value, depending on which way it was running.
Source: Series / How Much Is Enough?
Cite this Source
Lock in and Keep. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/keep/lock_in
Keep & Lock in. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/keep/lock_in>.
Lock in or Keep. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/keep/lock_in.
Google Ngram Viewer shows how "keep" and "lock in" have occurred on timeline