An event resulting in great loss and misfortune.
The whole city was affected by the irremediable calamity.
The earthquake was a disaster.
Lour, Lower, Turn Down - lessen; make lower; "Turn down the volume of TV".
Wherefore, Why - the cause or intention underlying an action or situation, especially in the phrase `the whys and wherefores`; "After all, why he became so rich".
If - On the condition that; "Are you a happy person, and, if so, what brings you happiness ?".
Understand - know and comprehend the nature or meaning of; "I wish he would understand".
Banquet, Feast - a ceremonial dinner party for many people; "Today is the feast".
Heat, Heat Up - make hot or hotter; "Heat it".
Heat, Heat Energy - a form of energy that is transferred by a difference in temperature; "He felt the heat".