rope [v]
- lockern
- locker machen
speed [v]
- verringern
- herabsetzen
quantity [v]
- nachlassen
- abnehmen

rope [v]
- détendre
- relâcher
- donner du mou à
speed [v]
- ralentir
- réduire
- diminuer
quantity [v]
- diminuer
- ralentir

rope [v]
- allentare
speed [v]
- diminuire
- ridurre
quantity [v]
- diminuire
- calare
- scemare
- ridursi

rope [v]
- aflojar
speed [v]
- reducir
- aflojar
quantity [v]
- disminuir
- reducir

rope [v]
- losser maken
speed [v]
- vertragen
- langzamer bewegen
- minderen
quantity [v]
- verminderen
- afnemen

rope [v]
- lossa på
- släppa på
speed [v]
- sakta
- minska
quantity [v]
- minska
- avta

rope [v]
- afrouxar
speed [v]
- reduzir
- diminuir
quantity [v]
- diminuir
- decrescer

decrease [v]
- abate
- mitigate
- reduce
- diminish
- weaken
- lessen
- retard
neglect [v]
- defer
- fail
restrain [v]
- bridle
- control
- curb
- subdue
- check
- repress

Present participle; Past participle
- slackening
- slackened
Present
- slacken
- slacken
- slackens
- slacken
- slacken
- slacken
Past
- slackened
- slackened
- slackened
- slackened
- slackened
- slackened
Future
- will slacken
- will slacken
- will slacken
- will slacken
- will slacken
- will slacken
Present conditional
- would slacken
- would slacken
- would slacken
- would slacken
- would slacken
- would slacken
Present Perfect
- have slackened
- have slackened
- has slackened
- have slackened
- have slackened
- have slackened
Past Perfect
- had slackened
- had slackened
- had slackened
- had slackened
- had slackened
- had slackened
Future Perfect
- will have slackened
- will have slackened
- will have slackened
- will have slackened
- will have slackened
- will have slackened
Past conditional
- would have slackened
- would have slackened
- would have slackened
- would have slackened
- would have slackened
- would have slackened
Imperative
- -
- slacken
- -
- -
- -
- -