Use the Most Frequently Occurring Inflections and Affixes: CCSS.ELA-LITERACY.L.K.4.B

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Common Core: Kindergarten English Language Arts › Use the Most Frequently Occurring Inflections and Affixes: CCSS.ELA-LITERACY.L.K.4.B

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What does the word "unlock" mean in the sentence below.

Will you please unlock the door so that I can come inside?

To undo the lock

To keep closed

To close

To use a key to lock

The word "unlock" has a base word and a prefix.

The prefix is "un". "Un" means the opposite of or not.

We know that lock means to keep something closed with a key. So the opposite of that, is to undo the lock.