Pronunciation: /lɑk/

Definitions of lock

noun a device operated by a key, combination, or keycard and used to secure a door, gate, or container

Example Sentences

A1 I always make sure to lock the door before leaving the house.

A2 She couldn't find her keys to unlock the padlock on the gate.

B1 The lock on the safe was difficult to open without the combination.

B2 He had to call a locksmith to change the lock on his front door.

C1 The intricate design of the antique lock caught the attention of the museum curator.

C2 The lock mechanism was so advanced that it required a specialized key to unlock it.

verb to fasten or secure with a lock

Example Sentences

A1 She locks the door before going to bed.

A2 He locked his bike to the railing outside the store.

B1 Make sure to lock your computer when you step away from your desk.

B2 The security guard locked the gate to the restricted area.

C1 The company decided to lock in the current exchange rate for the next six months.

C2 The government issued a lockdown order to lock down the city due to the spread of the virus.

adjective relating to something that is securely fastened or closed with a lock

Example Sentences

A1 The lock door kept the house safe.

A2 She always carries a lock suitcase when traveling.

B1 The lock mechanism on the safe was difficult to crack.

B2 The lock feature on the phone provides extra security.

C1 The lock function on the computer encrypts sensitive data.

C2 The lock system on the vault is virtually impenetrable.

preposition used in phrases like 'lock in' or 'lock up' to indicate securing or confining something

Example Sentences

A1 I lock the door before going to bed.

A2 She always locks her bike when she parks it.

B1 Please remember to lock the gate after you leave.

B2 The manager locked the office to prevent unauthorized access.

C1 The security guard locked the building for the night.

C2 The museum curator locked the valuable artifacts in a secure vault.

Examples of lock in a Sentence

formal Please remember to lock the door before leaving the office.

informal Hey, don't forget to lock up when you're done.

slang Make sure you lock that bad boy tight!

figurative She felt like her heart was under lock and key, guarded from any potential hurt.

Grammatical Forms of lock

past tense

locked

plural

locks

comparative

more locked

superlative

most locked

present tense

lock

future tense

will lock

perfect tense

have locked

continuous tense

is locking

singular

lock

positive degree

lock

infinitive

to lock

gerund

locking

participle

locking

Origin and Evolution of lock

First Known Use: 1250 year
Language of Origin: Old English
Story behind the word: The word 'lock' originated from the Old English word 'locc' which means a fastening device for a door or container.
Evolution of the word: Over time, the word 'lock' has expanded to refer to various types of fastening devices, including those used in hair, safes, and bicycles.