어휘

surefire; absolutely safe (idiom)

to lose; to misplace

to lose

to forfeit

unemployment

to lose one's job

unemployment rate

(of skills etc) to die out

lost

extinct

to lose

to suffer defeat

to lose

to lose one's love

to break up (in a romantic relationship)

to feel jilted

to go out of control

to fail

to lose effectiveness

to lose one's eyesight

to become blind

blindness

disappointed

to lose hope

to despair

out of order (of machine)

not working properly

a failing (of a system)

to suffer from insomnia

to lose (sth)

to drop (sth)

to feel a sense of loss

frustrated

disappointment

loss

lapse

mistake

to make a mistake

fault

service fault (in volleyball, tennis etc)

to be defeated

to lose

to fail (e.g. experiments)

failure

defeat

to be missing

to disappear

unaccounted for

the gains do not make up for the losses (idiom)

gains and losses

success and failure

merits and demerits

to lose one's head out of fear (idiom)

to report the loss of something

loss

damage

to lose

to suffer damage

(of soil etc) to wash away

to be eroded

(fig.) (of talented staff, followers of a religious faith, investment funds etc) to go elsewhere

to fail to be retained

to disappear; to fade away

lack; deficiency

shortcoming; flaw; defect

to be deficient; to lack

error

fault

(law) negligence

delinquency

to lose (one's bearings)

to get lost

to lose; to leave behind (inadvertently)