Word: unlock
Part of speech: Verb
Syllables: un
lock
Definition: To undo or open a lock or something locked by, for example, turning a key, or selecting a combination.
Morphemes:
Affix: un-
Language: en
PoS: Prefix
Meaning: do the opposite of, reverse (a specified action)
Affix: lock
Language: en
PoS: Verb
Meaning: To fasten with a lock.