Also found in: Dictionary, Thesaurus, Medical, Financial, Encyclopedia.
hammer (something) into (someone or something)
1. To strike something repeatedly, as with a hammer, until it penetrates some surface or thing. Next, you need to hammer these nails into the wall.
2. To commit some piece of information into one's or someone else's long-term memory, especially through intense repetition. How many times do I have to hammer it into your head? Do not drive my car unless I give you permission first! I've just been trying to hammer these formulas into my head for the big test tomorrow!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
hammer something into somethingand pound something into something
hammer something in; pound something in Lit. to drive something into something as with a hammer. Todd hammered the spike into the beam. He hammered in the spike. He hammered it in with two hard blows.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
1. To drive something through some surface by striking it with a hammer: The carpenter hammered a nail into the board.
2. To teach or inculcate something to someone by constant, intense repetition: The teacher hammered the multiplication tables into the pupils.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.