burn down

Verb burn down has 2 senses

• burn down(v = verb.change) burn up, go up - burn completely; be consumed or destroyed by fire; "The hut burned down"; "The mountain of paper went up in flames"
is one way to burn, combust
Sample sentence:
Something ----s

• burn down(v = verb.change) burn, fire - destroy by fire; "They burned the house and his diaries"
is one way to destroy, ruin
Sample sentence:
They burn down the trees