We have no meanings for "slacken speed" in our records yet.
1 That is, provided the ship does not slacken speed or increase it.
2 The train is bound to slacken speed when it goes around.
3 Just then a block signal caused the train to slacken speed .
4 This will cause the glider to tip up in front, slacken speed and settle.
5 Better slacken speed and behave more like a real iceberg.
6 Soon after the train began to slacken speed , and nervously she awaited her destiny.
7 The train began to slacken speed , and William said, "This is Peckham."
8 I'll just halloo to him to slacken speed a bit.
9 They hailed, but Mr. King, who was rowing his boat, did not slacken speed .
10 He tightened his reins a little, forcing the horse against its will to slacken speed .
11 A hundred yards on we noticed Ole slacken speed .
12 Could you not have told us to slacken speed ?
13 He thought awhile, and then asked his crew if it was not time to slacken speed .
14 But she did not slacken speed to listen.
15 Littleson smiled, but he did not slacken speed .
16 A fearful jolting and rattling of the stage ensued, and Jack was forced to slacken speed .
Other examples for "slacken speed"
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This collocation consists of: Slacken speed through the time
Slacken speed across language varieties