ADJ. major, serious | full-scale | violent | inner-city, urban | prison | race | student | bread, food Shortages eventually led to food riots.
VERB + RIOT cause, provoke, spark (off), start The city's housing and unemployment problems sparked serious riots. | put down, quell
RIOT + VERB begin, break out, erupt, occur, start Prison riots broke out over worsening conditions.
RIOT + NOUN police, squad | gear, shield | control
PREP. during/in a/the ~ He was killed in the riots. | ~ against/over a riot against bread prices
PHRASES run riot Fans ran riot after the match, overturning cars and looting shops.