arrest, arrestation, catabasis, check, collapse, constraint, control, cooling, cooling down, cooling off, crash, curb, curtailment, declension, decline, decline and fall, decrescendo, delay, detention, diminuendo, dive, downtrend, downturn, drag, drop, dwindling, ease-off, ease-up, ebb, fall, flagging, hindrance, holdup, inhibition, injunction, interdict, lag, lapse, legal restraint, letdown, letup, minus acceleration, monopoly, obstruction, plunge, prohibition, protection, protectionism, protective tariff, rationing, rein, remission, restraint, restraint of trade, retardation, retardment, retreat, retrenchment, self-control, setback, slack-up, slackening, slowdown, slowing, slowing down, slowup, slump, subsidence, tariff wall, thought control, wane