loss

loss — noun

1. the condition of not possessing something any more that was once yours, or of no

1.nounB1
Definition

the condition of not possessing something any more that was once yours, or of noticing that a physical or mental ability has grown weaker.

Example

Christopher started looking for a new job after the loss of his previous position.

loss + of + noun phrase for losing a possession or status

Tuan noticed a gradual loss of hearing in his left ear after years of factory work.

Common collocations
  • weight loss
  • memory loss
  • hair loss
  • hearing loss
  • loss of income
  • loss of appetite
  • sense of loss
  • blood loss
Synonyms
  • deprivation

    stronger, implies something was taken away forcibly rather than merely lost

  • forfeiture

    legal term for losing property or rights as a penalty

  • reduction

    focuses on the decrease in amount rather than the emotional sense of being without

Antonyms
  • gain

    opposite of loss in quantity or value

  • acquisition

    opposite in the sense of obtaining something new

Grammar Patterns

loss + of + noun phrase

Usage Note

Often followed by 'of' to specify what is no longer held (loss of appetite, loss of income, loss of sight). Common in medical and financial contexts with fixed expressions such as hair loss, weight loss, memory loss.

Common Mistakes

I suffered a lose of my wallet.
I suffered the loss of my wallet.
'loss' is a noun; 'lose' is a verb.
The loss of weight is good for health.
Weight loss is good for health.
'weight loss' is the standard fixed expression, not 'loss of weight'.

2. a disadvantage or problem caused when someone leaves a place or organization, or

2.nounB1
Definition

a disadvantage or problem caused when someone leaves a place or organization, or when something useful or valuable is no longer available.

Example

Vikram's move to another university was a great loss to the physics department.

a + [adjective] + loss + to + [organisation]

The loss of experienced nurses made it harder for the hospital to maintain good patient care.

Common collocations
  • a great loss
  • a real loss
  • a terrible loss
  • loss to the community
  • loss to the team
Synonyms
  • disadvantage

    more general; doesn't carry the emotional weight of losing something specific

  • setback

    implies a delay or obstacle to progress rather than a permanent absence

  • detriment

    more formal, suggesting harm or damage

Antonyms
  • asset

    something valuable or useful that a person or organisation has

Grammar Patterns

loss + to + noun phrase

Usage Note

Commonly used after 'be a loss to/for' to express that someone or something was valuable and is now missed. Subject is often a person leaving or a resource disappearing.

Common Mistakes

His leaving is loss for the team.
His leaving is a loss for the team.
'loss' in this sense is countable and needs an article.
The loss of him is great.
His loss is a great one for the company.' or 'Losing him was a great loss.
Avoid vague pronoun reference; specify who or what was lost.

3. the event of someone dying, particularly somebody who was close to you or whom y

3.nounB1
Definition

the event of someone dying, particularly somebody who was close to you or whom you cared about deeply.

Example

The entire family gathered to mourn the loss of their grandmother.

mourn + the loss + of + person — formal expression of grief

Vinícius still struggles to cope with the sudden loss of his father two years ago.

Common collocations
  • mourn a loss
  • grieve a loss
  • cope with a loss
  • suffer a loss
  • hear of a loss
  • loss of a loved one
Synonyms
  • bereavement

    more formal; refers specifically to the state of having lost someone through death

  • death

    direct and factual; 'loss' is a gentler, euphemistic alternative

  • passing

    euphemistic and softer than 'death'; common in obituaries

Grammar Patterns

mourn + the loss + of + person

Usage Note

Often used in polite or formal expressions of sympathy (I was sorry to hear of your loss). Distinguish from sense 6 (LARGE-SCALE DEATHS), which refers to mass casualties during war or disaster rather than individual bereavement.

Common Mistakes

She suffered from loss after loss.
She suffered one loss after another.
Clarify that you mean bereavements, not abstract 'loss'.
I'm sorry for your lose.
I'm sorry for your loss.
'loss' is the noun; 'lose' is the verb form.

4. the financial condition of a company or organization when its spending exceeds t

4.nounB2
Definition

the financial condition of a company or organization when its spending exceeds the money it earns over a set period of time.

Example

The small bakery made a loss in its first year of operation.

make + a + loss — standard business phrase

The airline announced a net loss of two million dollars for the last quarter.

Common collocations
  • net loss
  • heavy loss
  • operating loss
  • make a loss
  • suffer a loss
  • report a loss
  • incur a loss
  • at a loss
  • loss of revenue
Synonyms
  • deficit

    technical term for the amount by which spending exceeds income; used in budgets

  • shortfall

    emphasises the gap between what was expected and what was actually earned

  • red ink

    informal; from the practice of writing losses in red ink on financial statements

Antonyms
  • profit

    the amount of money earned after subtracting costs

  • gain

    increase in value or financial return

Grammar Patterns

make + a + loss

operate + at + a + loss

Usage Note

Commonly paired with verbs such as report, make, suffer, or incur, and with the preposition 'at' to describe continuous unprofitability (operating at a loss). A loss is the opposite of a profit.

Common Mistakes

They made loss of two million.
They made a loss of two million.
'loss' in this sense is usually countable and requires an article.
The company is in loss.
The company is operating at a loss.
Use 'at a loss', not 'in loss', for financial contexts.

5. the result of an individual player or a group failing to beat an opponent in a s

5.nounB1
Definition

the result of an individual player or a group failing to beat an opponent in a sport or contest.

Example

The team's fourth loss in a row left the fans feeling disappointed.

loss in a row — describing consecutive defeats

Tanvi was determined to learn from her loss and train harder for the next match.

Common collocations
  • suffer a loss
  • heavy loss
  • narrow loss
  • first loss
  • consecutive losses
  • loss to
  • admit defeat
Synonyms
  • defeat

    direct synonym; implies being beaten by an opponent

  • failure

    broader; can apply to any unsuccessful attempt, not just competitive games

  • upset

    specifically a loss by a stronger player or team to a weaker one

Antonyms
  • win

    a victory in a game or competition

  • victory

    more formal than 'win'

Grammar Patterns

suffer + a + loss + to + opponent

Usage Note

Commonly used with suffer to indicate the outcome, or with accept/admit to describe the response. A loss is typically followed by 'to' naming the winner (a loss to the defending champions).

Common Mistakes

The team had three loses this season.
The team had three losses this season.
'losses' is the plural of 'loss'; 'loses' is the third-person singular of 'lose'.
They gave us a lose.
They handed us a loss.
Use 'loss' (noun) not 'lose' (verb).

6. an occasion when many people die at once, especially soldiers in a war or civili

6.nounB2
Definition

an occasion when many people die at once, especially soldiers in a war or civilians in a disaster.

Example

The army suffered heavy losses during the battle for the coastal city.

heavy losses — standard military collocation

The earthquake resulted in a terrible loss of life across the affected region.

loss of life — formal phrase for deaths in a disaster

Common collocations
  • heavy losses
  • light losses
  • suffer losses
  • inflict losses
  • civilian losses
  • military losses
  • loss of life
  • total losses
Synonyms
  • casualties

    includes both killed and wounded; more precise in military reporting

  • fatalities

    formal; refers only to deaths, not injuries

  • toll

    often used in 'death toll' to describe the total number of people killed in a single event

Grammar Patterns

suffer + losses

loss + of + life

Usage Note

Frequently used in military and news reporting contexts. 'Losses' in the plural refers to the number of people killed. 'Loss of life' is a more general formal expression used for any disaster, natural or human-caused. Distinguish from sense 3 (BEREAVEMENT), which refers to individual deaths with an emotional or personal dimension.

Common Mistakes

The earthquake's lose was terrible.
The earthquake's loss of life was terrible.
'loss of life' is the correct fixed expression for mass fatalities.
The team suffered heavy losses.' (when referring to sports)
Use 'defeat' or 'loss' in the singular for sports; 'heavy losses' implies casualties in a military context.
Idioms

feeling confused or uncertain about what to do or say, especially in a surprising or difficult situation.

Christopher was at a loss when the customer asked a technical question he had never heard before.

The teacher was at a loss to explain why all the students had scored so poorly on the test.

to stop doing something that is failing or losing money, so that the situation does not get even worse.

After three months of falling sales, the owner decided to cut his losses and close the shop.

Tanvi knew the project would never work, so she cut her losses and moved on to a new idea.

used to say that if someone does not take an opportunity, they are the ones who will miss out on a benefit.

If Quinn does not want to join the team, that is his loss — we will find someone else.

She decided not to come to the concert, and it was her loss because the band was amazing.

a situation in which someone loses the respect of other people or appears foolish, especially in a culture where reputation is important.

Refusing the invitation publicly would cause a loss of face for the visiting diplomat.

The manager accepted the mistake privately to avoid a loss of face in front of the staff.

When someone loses respect from others or feels embarrassed because of a mistake they made.

Mina's mistake in the presentation caused a serious loss of face.

Did Brian's public apology prevent a loss of face for the team?

Word family

  • lose
    verbB1
  • lost
    adjectiveB1
  • loser
    nounB2
  • lossless
    adjectiveC1
  • lossy
    adjectiveC1

Synonym discussion

Sense: noun/1

Loss is the broadest term, covering any situation where something you had is gone or reduced, whether by accident, choice, or natural causes ('The loss of his wallet ruined the trip'). Deprivation is stronger and implies that something important — such as freedom, food, or basic rights — was taken away unfairly or cruelly ('The prisoners suffered years of sensory deprivation'). Forfeiture is a legal or formal term: you lose property, rights, or money as a penalty for breaking rules or a contract ('Forfeiture of the deposit was written into the agreement'). Reduction is narrower — it only refers to a decrease in amount or degree, not the complete disappearance of something ('A reduction in staff did not solve the company's problems'). When speaking generally about things ceasing to be in your possession, loss is the natural choice; use deprivation for injustice, forfeiture for penalties, and reduction when something simply becomes smaller.

lossdeprivationforfeiturereduction

Common collocations

Nouns

  • suffer a loss
  • heavy loss
  • total loss

Prepositions

  • loss of
  • loss to

Etymology

Proto-GermanicOld EnglishMiddle EnglishEnglish

Loss comes from Old English los, meaning 'ruin, destruction, or the act of losing.' It is related to the Old English verb leosan ('to lose'), which goes back to a Proto-Germanic root *leusaną. The word took on its modern meaning of 'failure to keep or possess' by the 13th century. The sense of 'defeat in a game' appeared in the early 1600s, and the financial meaning developed in the late 1700s with the rise of modern business accounting. The idiom 'at a loss' (meaning uncertain what to do) has been used since the 1500s.