Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun slow_down

1 sense of slowdown

Sense 1
slowdown, lag, retardation -- (the act of slowing down or falling behind)
       => delay, holdup -- (the act of delaying; inactivity resulting in something being put off until a later time)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb slow_down

5 senses of slow down

Sense 1
decelerate, slow, slow down, slow up, retard -- (lose velocity; move more slowly; "The car decelerated")
       => decrease, diminish, lessen, fall -- (decrease in size, extent, or range; "The amount of homework decreased towards the end of the semester"; "The cabin pressure fell dramatically"; "her weight fell to under a hundred pounds"; "his voice fell to a whisper")

Sense 2
slow, slow down, slow up, slack, slacken -- (become slow or slower; "Production slowed")
       => weaken -- (become weaker; "The prisoner's resistance weakened after seven days")

Sense 3
slow, slow down, slow up -- (cause to proceed more slowly; "The illness slowed him down")
       => decelerate, slow, slow down, slow up, retard -- (lose velocity; move more slowly; "The car decelerated")

Sense 4
decelerate, slow down -- (reduce the speed of; "He slowed down the car")
       => change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue")

Sense 5
relax, loosen up, unbend, unwind, decompress, slow down -- (become less tense, rest, or take one's ease; "He relaxed in the hot tub"; "Let's all relax after a hard day's work")
       => change state, turn -- (undergo a transformation or a change of position or action; "We turned from Socialism to Capitalism"; "The people turned against the President when he stole the election")