Synonyms for Slack up:

• v.

  •change (verb)
  • relax,
  • slacken,
  • slack up.
  •lessen (verb)
  • diminish,
  • downsize,
  • cut,
  • lighten,
  • crop,
  • close,
  • die down,
  • de-escalate,
  • minimize,
  • moderate,
  • contract,
  • abridge,
  • cut back,
  • abate,
  • dwindle,
  • narrow,
  • thin,
  • impair,
  • shrink,
  • take the bite out,
  • mitigate,
  • attenuate,
  • soft-pedal,
  • drain,
  • taper,
  • truncate,
  • wind down,
  • roll back,
  • slow down,
  • become smaller,
  • clip,
  • ease,
  • grow less,
  • taper off,
  • degrade,
  • erode,
  • take the edge off,
  • curtail,
  • decline,
  • dilute,
  • take the sting out,
  • amputate,
  • weaken.
  •Other relevant words: (verb)
  • decrease,
  • slack,
  • minify.

• Other synonyms:

  •lessen
  • dies down,
  • soft pedal,
  • Minified,
  • died down,
  • dying down,
  • tapers,
  • Downs,
  • slowed down,
  • Minifying,
  • lessening,
  • deescalating,
  • deescalated,
  • deescalate,
  • became smaller,
  • downing,
  • downed,
  • grows less,
  • tapers off,
  • winding down,
  • take sting out.
  •Other relevant words:
  • lessen.
  •Other relevant words (noun):
  • keep back,
  • rein,
  • backpedal,
  • let loose,
  • arrest,
  • loose,
  • loosen,
  • slow,
  • set back,
  • let go,
  • stay,
  • ease up,
  • ease off,
  • delay,
  • unwind,
  • slow up,
  • let up on,
  • bate,
  • retard,
  • remit,
  • throttle,
  • hold up,
  • detain,
  • obstruct,
  • let down,
  • slack off,
  • slacken off,
  • release,
  • unbend,
  • curb,
  • brake,
  • impede,
  • lose ground,
  • reef,
  • hold back,
  • slake,
  • check,
  • backwater.

Antonyms for Slack up:

• v.

  • lessen
    increase, raise, enlarge, extend, strengthen.

Homophones for Slack up:

• skullcap, salsify, selkup, slick up, slice up, slack off, slough off, slagheap, school ship.

Hyponym for Slack up:

• v.

  • change
    decrease, minify, lessen.