Collocations for trench - noun Contents ADJECTIVE VERB + trench trench + NOUN PREPOSITION ADJECTIVE deep, narrow, shallow muddy defensive enemy communication, front-line, slit Back to top ▲ VERB + trench dig Back to top ▲ trench + NOUN warfare foot The soldiers had to be treated for trench foot. Back to top ▲ PREPOSITION in the trench life in the trenches in the First World War Back to top ▲