variable - changeable, non-uniform⏎
slump - decline, decrease, deteriorate, sudden fall⏎
ultimatum - conditions, final warning, threat, deadline⏎
retail - sell⏎
sort - arrange, classification, put in order, a type (of something)⏎
used - second-hand, pre-owned, employed, utilised, utilized⏎
stipulate - state clearly, demand, specify⏎
unofficial - illegal, independent, unauthorised, unauthorized⏎
risk - danger, peril, chance, speculate⏎
wind-up - close down, liquidate, terminate, cease⏎