Definition of "Loss" :

noun: the act of losing someone or something

"Everyone expected him to win so his loss was a shock."

noun: the disadvantage that results from losing something

"His loss of credibility led to his resignation."

noun: the experience of losing a loved one

"He sympathized on the loss of their grandfather."

noun: euphemistic expressions for death

noun: military personnel lost by death or capture

noun: the amount by which the cost of a business exceeds its revenue

"The company operated at a loss last year."

noun: something that is lost

"The car was a total loss."

noun: gradual decline in amount or activity

"Weight loss."