Definitions

lock in

[lok-in] / ˈlɒkˌɪn /

Part of Speech:

All (4) Noun (1) Verb (3)

Jump To:

nail down n.
enclose v.
imprison v.
mew v.

NOUN

nail down

Synonyms

WEAK

cinch clinch pin down

VERB

enclose

Synonyms

STRONGEST

block off encase encircle encompass hem in insert wrap

STRONG

blockade bound cage circle circumscribe confine corral cover enfold enshroud environ fence hedge imbue immure implant impound imprison include induct intern jail limit mew pen restrict veil

WEAK

box up close in coop fence off lock up mure set apart shut in wall in

Antonyms

STRONG

exclude face free let go liberate meet reject release reveal set free

WEAK

unloose

VERB

imprison

Synonyms

STRONGEST

apprehend commit detain hold incarcerate jail lock up remand

STRONG

cage check circumscribe closet constrain curb ice immure impound intern keep limit nab occlude pen restrain stockade trammel

WEAK

bastille bottle up fence in hold captive hold hostage hold in custody keep captive keep in custody put away put behind bars rail in send to prison send up shut in take prisoner

Antonyms

STRONGEST

cease free let go liberate release stop

STRONG

aid allow assist help permit

VERB

mew

Synonyms

STRONG

blockade bound cage circle circumscribe confine coop corral cover encase encircle encompass enfold enshroud environ fence hedge imbue immure implant impound imprison include induct insert intern jail limit pen restrict veil wall wrap

WEAK

block off box up close in fence off hem in lock up mure set apart shut in shut up wall in

Antonyms

STRONG

exclude face free let go liberate meet reject release reveal set free take out uncover unwrap

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.

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lock in

Dealers know it: Herb said fewer suppliers are offering contracts that let customers lock in a price.

From MarketWatch ● Oct. 28, 2026

Institutions also field in-house teams focused on the success of the investments and are willing to lock in investments for many years.

From The Wall Street Journal ● Oct. 22, 2026

AI stocks drop as investors lock in some profit ahead of earnings season while UnitedHealth rallies following strong third-quarter earnings.

From Barron's ● Oct. 13, 2026

A virtual safety car shortly after half-distance gave Ferrari the perfect opportunity to lock in the second and third places Leclerc and Hamilton were holding at that point.

From BBC ● Oct. 13, 2026

He was glad when he heard the lock in his door click.

From "Native Son" by Richard Wright

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