lock-in
Americannoun
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an act or instance of becoming unalterable, unmovable, or rigid.
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commitment, binding, or restriction.
noun
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Enclose, surround, as in The ship was completely locked in ice . [c. 1400s]
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Also, lock into . Fix firmly in position, commit to something. This phrase often occurs as , as in She felt she was locked in a binding agreement , or Many of the stockholders are locked into their present positions . [Mid-1900s]
Etymology
Origin of lock-in
First recorded in 1965–70; noun use of verb phrase lock in
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.