Synonyms for Lose speed:

• v.

  •delay, restrict (verb)
  • slow.
  •diminish, lessen (verb)
  • relax.
  •relax (verb)
  • ease off,
  • modulate,
  • loosen,
  • slack,
  • modify,
  • loose,
  • ebb,
  • let up,
  • slacken,
  • weaken,
  • relieve,
  • ease,
  • lax,
  • remit,
  • mitigate,
  • reduce,
  • abate,
  • lower,
  • moderate,
  • Untighten.
  •slow (verb)
  • lag,
  • let down flaps,
  • rein in,
  • cut back,
  • set back,
  • regulate,
  • quiet,
  • diminish,
  • impede,
  • decrease,
  • mire,
  • anchor it,
  • wind down,
  • retardate,
  • temper,
  • check,
  • keep waiting,
  • handicap,
  • decelerate,
  • hold up,
  • curtail,
  • stunt,
  • detain,
  • choke,
  • qualify,
  • hinder,
  • procrastinate,
  • loiter,
  • lose steam,
  • embog,
  • reduce speed,
  • lessen,
  • stall,
  • Back-water,
  • bog down,
  • postpone,
  • hit the brakes,
  • cut down.

• Other synonyms:

  •relax
  • easing off,
  • laxed,
  • laxes,
  • relaxes,
  • laxing,
  • slowed down.
  •slow
  • reins in,
  • Reefing,
  • backwaters,
  • stunting,
  • reined in,
  • eased up,
  • Reefed,
  • retardates,
  • winding down.
  •Other relevant words (noun):
  • keep back,
  • let down,
  • lose ground,
  • reef,
  • slow down,
  • obstruct,
  • curb,
  • retard,
  • hold back,
  • ease up,
  • slow up,
  • brake,
  • rein,
  • throttle,
  • backwater,
  • backpedal.

Antonyms for Lose speed:

• v.

  • relax
    increase, incite, worry, raise, grow, intensify, tense, agitate, strengthen, rise, excite.
  • slow
    expand, aid, enlarge, expedite, forward, liberate, accelerate, release, encourage, lengthen, DO, develop, advance, further, help, extend, allow, prolong, facilitate, assist, push.