Definition of "lock"
Kid-friendly meaning of lock, with part of speech, syllables, and example sentences for grades K-2, 3-5, and 6-8.
What does "lock" mean?
lock (noun) — a device that keeps a door closed until you open it with a key.
Example sentences using "lock"
Grade K–2
I forgot the lock.
Grade 3–5
She put a new lock on her gym locker after someone tried to open it last week.
Grade 6–8
Modern smart locks let users open their doors via phone apps, but cybersecurity researchers have repeatedly shown that many such devices have weaker protections than traditional hardware.
Words similar to "lock"
Words that rhyme with "lock"
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