Foundation level · Year 4 · free
unlock
verb · Say it: un-LOK
What it means
Foundationto open something that is fastened, usually with a key or code
Dad used his key to unlock the front door after the holiday.
Similar and opposite words
Synonyms (similar meaning)
- open
- unbolt
- unfasten
Antonyms (opposite meaning)
- fasten
- lock
More examples
- Amy unlocked her bike from the railings outside school.
Where the word comes from
It is made from 'un-' meaning reverse and the old English word 'lock'.
Try a quick question
One question about “unlock”, the way 11+ papers ask it (Foundation level).