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1. To collide. The first baseman and the pitcher knocked together and fell down, allowing the runner to reach first base.
2. To cause two things to come together or collide. A noun or pronoun can be used between "knock" and "together." We knocked our mugs together in a half-hearted toast.
3. To construct or produce something shoddily and hastily. A noun or pronoun can be used between "knock" and "together." With the way they just knocked together that bookcase, I'm not surprised it fell apart. Look at all these errors—I bet he just knocked this paper together before class.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
knock something together
to assemble something hastily. I knocked this model together so you could get a general idea of what I had in mind. See if you can knock together a quick snack. This thing has just been knocked together!
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
Make or assemble quickly or carelessly, as in We knocked together the bookcases in about half an hour. [Late 1800s]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. To strike some pair or set of things against each other abruptly: We didn't have a drum to keep the beat, so I knocked a couple of sticks together. The guide showed us how to start a fire by knocking together certain kinds of rock.
2. To collide, especially repeatedly or glancingly: The two boats knocked together in the narrow channel.
3. To make, assemble, or build something quickly or carelessly: The editor knocked an article together for the front page. I knocked together a makeshift table out of some old lumber.
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.
knock something togetherand throw something together
tv. to assemble something—such as a meal—at the last moment. Bob knocked together some lemon chicken and rice in only a few minutes. I’ll see if I can throw something together.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.