locked in

adjective

1. informal.
   exhibiting total concentration on the task in hand

Example Sentences

Homeowners locked in to maintenance contracts have said they feel "trapped" by rising fees and poor service.

From BBC

The contest's first season saw 10 influencers locked in a house for a week as they battled for a prize with up to £1m.

From BBC

The men’s lawyers believe they have a case for a failure to disclose medical records and, at worst, may have had glimpses of a cover-up locked in the bowels of military archives.

From BBC

After an exchange of breaks early in the second set, Raducanu locked in again mentally to move a double break ahead.

From BBC

In too many ways, they appear locked in an echo chamber, largely talking to each other and convincing themselves that all intelligent and rational people agree with them.

From Salon

Related Words

• adamant
• determined
• hard-line
• hard-nosed
• immovable
• implacable
• inflexible
• intractable
• merciless
• obstinate
• relentless
• rigid
• ruthless
• single-minded
• staunch
• stubborn
• uncompromising
• unrelenting
• unwavering