Oxford Dictionary English cut down phrasal verbphrasal verb Gardening Add to my wordlistjump to other resultsPhrasal Verbscut somebodydown Add to my wordlistjump to other results(formal) to kill somebody He was cut down by an assassin's bullet. cut somethingdown Add to my wordlistjump to other results to make something fall down by cutting it at the base to cut down a tree See related entries: Gardening cut somethingdown (to…) | cut down (on something) Add to my wordlistjump to other results to reduce the size, amount or number of something We need to cut the article down to 1 000 words. The doctor told him to cut down on his drinking. I won't have a cigarette, thanks—I'm trying to cut down (= smoke fewer). oxfordlearnersdictionaries.com