Meaning of LOSS in English

ˈlȯs also ˈläs noun

( -es )

Etymology: Middle English los, probably back-formation from lost, past participle of losen to lose, get lost, perish, destroy — more at lost


a. : the act or fact of losing : failure to keep possession : deprivation

precautions against loss or theft of property

loss of a leg

loss of sight

loss of reputation

loss of caste

virtual loss of three divisions of infantry

b. : the harm or privation resulting from losing or being separated from something or someone

bore up bravely under the loss of both parents

the explosion caused a temporary loss of hearing

embittered by the loss of his wife's affection

c. : an instance of losing

his retirement was a serious loss to the company

her death was a loss to all who knew her

d. obsolete : lack , default

2. : a person or thing or an amount that is lost: as

a. losses plural : killed, wounded, or captured soldiers

b. : power or energy wasted in a machine, apparatus, or system

friction loss

heat loss due to faulty insulation


(1) : the power diminution of a circuit element corresponding to conversion of electric power into heat by resistance

(2) : attenuation


a. : the act or fact of failing to gain, win, obtain, or utilize

loss of a battle

loss of opportunity

loss of a game

loss of a night's sleep

specifically : an amount by which the cost of an article or service exceeds the selling price — opposed to profit

forced to sell all the stock at a loss

railroad claimed to be operating at a loss

b. : a yardage disadvantage in football that results when an offensive play ends behind the line of scrimmage

4. : decrease in amount, magnitude, or degree

temperature loss

loss in altitude

— opposed to gain


a. : the state or fact of being destroyed or placed beyond recovery : destruction , ruin , perdition

quitted all to save a world from utter loss — John Milton

loss of a ship with all hands

loss of life in war

b. obsolete : a cause of ruin or destruction

6. : the amount of an insured's financial detriment due to the occurrence of a stipulated contingent event (as death, injury, destruction, or damage) in such a manner as to charge the insurer with a liability under the terms of the policy

- at a loss

- for a loss

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.