19 entries under retardation topic. ×

12
slow(verb, passivity, delay, hinder)
10
retard(verb, hinder, obstruct, delay, block)
7
slacken(verb, drop, decline, reduce, ease)
7
slow up(verb, phrasal verb, passivity, act)
3
decelerate(verb, passivity, action)
2
become less tense(expression, passivity, verb, rest)
2
become slow(expression, passivity, verb, rest)
2
become slower(expression, passivity, verb, rest)
2
lose velocity(expression, passivity, verb, rest)
2
move more slowly(expression, passivity, verb, rest)
2
relax(verb, passivity, action)
2
unwind(verb, passivity, action)
1
become less rest(verb, expression, passivity)
1
decompress(verb, passivity)
1
loosen up(verb, phrasal verb, passivity)
1
reduce the speed of(verb, expression, passivity)
1
slack(verb, passivity)
1
take one's ease(verb, expression, passivity)
1
unbend(verb, passivity)
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APASmart Define. (2016). slow down thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/slow_down/thesaurus/synonyms
ChicagoSmart Define. 2016. "slow down thesaurus" https://smartdefine.org/slow_down/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, slow down thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/slow_down/thesaurus/synonyms>.
MLASmart Define. "slow down thesaurus" 31 January 2016. Web. 28 September 2026. <https://smartdefine.org/slow_down/thesaurus/synonyms>