Arrest, Atavism, Backsliding, Bafflement, Blockage, Blocking, Blow, Buffet, Check, Checkmate, Clogging, Closure, Comedown, Confusion, Constriction, Cramp, Dash, Deceleration, Defeat, Delay, Descent, Detention, Disappointment, Discomfiture, Disillusionment, Dissatisfaction, Down, Drag, Failure, Fiasco, Fixation, Fizzle, Flagging, Foil, Foiling, Frustration, Hampering, Hindering, Hindrance, Holdup, Impediment, Inhibition, Interference, Interruption, Lag, Lapse, Let, Mirage, Negativism, Obstacle, Obstruction, Obstructionism, Occlusion, Opposition, Reaction, Rebuff, Recession, Recidivism, Recurrence, Reflux, Regress, Regression, Relapse, Renewal, Repression, Repulse, Resistance, Restraint, Restriction, Retardation, Return, Reversal, Reverse, Reversion, Rout, Slackening, Slowdown, Slowing, Squeeze, Stranglehold, Stricture, Suppression, Tease, Throwback