Definition:
Compare retarder with other words:
retarder vs. rewarder
regarder vs. retarder
retarded vs. retarder
mobile vs. retarder
quickener vs. retarder
promoter vs. retarder
limiter vs. retarder
retardant vs. retarder
inhibitor vs. retarder
bottleneck vs. retarder
retarder vs. slow
retard vs. retarder
retardation vs. retarder