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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.
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!
Make or assemble quickly or carelessly, as in We knocked together the bookcases in about half an hour. [Late 1800s]
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.
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.