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Synonyms

locked in

British  

adjective

  1. informal exhibiting total concentration on the task in hand

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It then hid under a shelf and got locked in overnight before helping itself to some dog food and bird seed for breakfast and knocking stock around the store.

From BBC • Apr. 18, 2026

The two companies are the dominant players in the theme-park industry, locked in an increasingly intense battle for Orlando following Comcast’s opening of Epic Universe in May 2025.

From Barron's • Apr. 15, 2026

She locked in a 5.99% mortgage rate right before the war started.

From Los Angeles Times • Apr. 15, 2026

Tatiana Becker and Joshua Greenberg bought a four-bedroom home in Framingham, Mass., in late February for $738,000, and locked in their 5.99% mortgage rate in January.

From The Wall Street Journal • Apr. 13, 2026

How many hours can one person spend locked in a bathroom, looking at skin, hair, eyes.

From "The Adoration of Jenna Fox" by Mary E. Pearson

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.