Learn how to say Rubble correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word rubble:
waste or rough fragments of stone, brick, concrete, etc., especially as the debris from the demolition of buildings:
two buildings collapsed, trapping scores of people in the rubble
pieces of rough or undressed stone used in building walls, especially as filling for cavities:
the tower is built of stone rubble faced with ashlar
late Middle English: perhaps from an Anglo-Norman French alteration of Old French robe ‘spoils’; compare with rubbish