loss

loss /ˈlɑːs/ noun
plural losses
loss
/ˈlɑːs/
noun
plural losses
Britannica Dictionary definition of LOSS
1 
a  : failure to keep or to continue to have something
[noncount]
— usually + of
[singular]
— usually + of
[plural]
b  [noncount] : the experience of having something taken from you or destroyed — usually + of
2 
[count] : money that is spent and that is more than the amount earned or received
— see also at a loss (below)
3 
: failure to win a game, contest, etc.
[noncount]
[count]
4 
a  : a decrease in something or in the amount of something
[singular]
[noncount]
b  [singular] : a decrease in value by a specified amount
5 
[noncount]
a  : the death of a relative, friend, etc. — usually + of
b  : the experience of having someone leave — usually + of
c  : a feeling of sadness that you have when someone dies, leaves, etc.
6 
[singular] : something that causes harm, sadness, etc., to a group or organization
7 
[singular] : something that is completely destroyed
8 
losses [plural] : soldiers killed, wounded, or captured in battle
9 
[count] American football : the distance the ball is moved away from the goal during a play

at a loss

: not able to decide what should be done or said
— see also loss 2 (above)

at a loss for words

chiefly US
: unable to think of anything to say

cut your losses

: to stop an activity, business, etc., that is failing in order to prevent more losses or damage

it's your loss

◊ People say that something is your loss when you choose not to do something that they think would help you or that you would enjoy.

throw (someone) for a loss

: to cause (someone) to be very amazed, confused, or shocked