retard (n.)
retard (v.)
- arrest
- backpedal
- balk
- block
- brake
- bridle
- check
- confine
- constrain
- contain
- control
- cool
- countercheck
- curb
- curtail
- damp
- dampen
- decelerate
- delay
- detain
- drag
- enjoin
- fool
- frustrate
- govern
- guard
- hinder
- hold
- impede
- inhibit
- intercept
- interfere
- interrupt
- intervene
- jerk
- keep
- lag
- meddle
- moderate
- obstruct
- oppose
- prohibit
- pull
- reef
- rein
- relax
- repress
- resist
- restrain
- restrict
- retrench
- scotch
- slacken
- slow
- snub
- stall
- stay
- stop
- straiten
- suppress
- thwart
- withhold
