Definition of burn something down (or burn down) in US English:

burn something down (or burn down)

phrasal verb

  • (of a building or structure) destroy or be destroyed completely by fire.

    • ‘Later, the shelf caught on fire and nearly burned the whole building down.’
    • ‘In one of his drunken stupors, he lights their house on fire and burns it down.’
    • ‘If they refused, or if their records were not found, whole buildings might be burned down.’
    • ‘I don't have any fire extinguishers here, so try not to burn the house down.’
    • ‘The explosion and fire burned his house down, killing both him and his sister.’
    • ‘Eighty-four public buildings have been burned down.’
    • ‘We believe this was an attempt to burn the building down and are calling on the police to take action and patrol the area more.’
    • ‘You know, fire will burn a building down, but water will seek its level and touch everything on a specific piece of ground.’
    • ‘It stopped a fire in seconds which would have burnt a building down in two minutes,’ he added.’
    • ‘But when the slums are burnt down to raise high rise buildings, they are completely quiet, they don't protest.’