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1. To decrease in speed. Would you please slow down—you're going 100 miles an hour! Once he slowed down and started speaking clearly, I finally understood what he was talking about.
2. To cause, compel, or force someone or something to decrease in speed. A noun or pronoun can be used between "slow" and "down" in this use. You really should slow the engine down before shifting gears like that. We need to try to slow down their linebacker, or he's going to keep sacking our quarterback all day long.
3. To decrease in frequency, intensity, or activity. She's got too much going on at the moment, between work and the kids. She needs to slow down or she's going to have a heart attack! The company announced they were slowing down production after the lukewarm response to the latest product.
4. To cause, compel, or force someone or something to decrease in frequency, intensity, or activity. A noun or pronoun can be used between "slow" and "down" in this use. The government plans to slow their infrastructure investments down over the next year to help balance the federal budget. My arthritis has really started slowing me down lately.
to decrease speed; to go slower. Please slow down. You are going too fast.
1. Delay, retard, reduce speed, as in She slowed down the sled by dragging her foot, or Slow down, Bill; you're driving much too fast. [First half of 1800s] Also see slow up.
2. Become less active or vigorous, as in Now that I'm in my seventies I find I've slowed down quite a bit. [Second half of 1800s]
1. To decrease the speed or rate of something: The chef slowed down the mixer and added some flour to the batter. We slowed the boat down as we entered the harbor.
2. To move, work, or happen at a slower rate: We slowed down so that we could read the road sign.
3. To delay someone or something; retard someone or something: An injury slowed down the runner. A virus has slowed my computer down.