Synonyms:
- arrest,
- backpedal,
- backslide,
- backwater,
- be found wanting,
- brake,
- check,
- clip the wings,
- cock,
- collapse,
- come short,
- curb,
- decelerate,
- decline,
- delay,
- detain,
- draw rein,
- ease off,
- ease up,
- fail,
- fall astern,
- fall away,
- fall behind,
- fall short,
- get behind,
- go backwards,
- go behind,
- hold back,
- hold in check,
- hold up,
- impede,
- jerk back,
- keep back,
- lack,
- lag,
- lapse,
- let down,
- let up,
- lose momentum,
- lose speed,
- moderate,
- not answer,
- not hack it,
- not make it,
- not make out,
- not measure up,
- not stretch,
- not suffice,
- obstruct,
- pull back,
- recede,
- recidivate,
- reef,
- regress,
- rein in,
- relapse,
- relax,
- retard,
- retrocede,
- retroflex,
- retrograde,
- retrogress,
- return,
- revert,
- run short,
- set back,
- slack off,
- slack up,
- slacken,
- slip back,
- slow,
- slow down,
- slow up,
- slump,
- stay,
- stop short,
- take in sail,
- throttle down,
- want