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Lock In

How to Conjugate Lock In

  • Infinitive: Lock In
  • Present Tense: Lock In/ Locks In
  • -ing Form: Locking In
  • Past Tense: Locked In
  • Past Participle: Locked In
Lock In is a separable phrasal verb and has 3 definitions.

Definitions of Lock In:

1. To secure people or things behind a closed door.

Examples: The teacher locked the students in the classroom as soon as she heard gun shots.
Oh no! I locked my keys in the car!

2. To save something you don’t want to lose or forget.

Examples: What’s your number? I’m gonna lock it in my phone.
The memories of our summers at Ocean Shores will forever be locked in my mind,

3. To keep a price, rate, contract, etc. the same.

Examples: I can’t change cell phone companies because I’m locked in with my current carrier for another two years.
Her credit card interest rate is locked in at three percent.

See our complete list of English phrasal verbs.