At the A1 level, 'discharge' is a very difficult word. You don't need to use it. Instead, you can use simple words like 'go home' or 'send out'. For example, instead of saying 'The hospital will discharge the patient,' an A1 learner would say 'The patient can go home now.' If you see this word, just think of it as 'letting someone go' or 'letting something out'. It is usually used by doctors or in very official papers. You might see it on a sign in a hospital, but you don't need to worry about using it in your own speaking yet. Focus on words like 'leave', 'go', and 'give' first. If you hear a doctor say 'discharge', they mean you are finished at the hospital and can leave. It is a big word for a simple idea: leaving a place after you are finished there.
At the A2 level, you might start to see 'discharge' in simple stories or news reports, especially about hospitals or the army. It is a formal word. You can think of it as a synonym for 'release'. For example, 'The soldier was discharged' means the soldier finished his job in the army and went home. You don't need to use it in your daily life, but it is good to recognize it. It often appears with the word 'from'. You are discharged *from* a place. If you are reading a science book, you might see it used with batteries. A battery 'discharges' when it loses power. This is the opposite of 'charging' your phone. So, if your phone is at 10%, it has discharged a lot of energy. Just remember: discharge = let go or let out.
At the B1 level, you should understand that 'discharge' is a formal verb used in specific situations. You should be able to recognize it in medical, military, and environmental contexts. You might use it in a formal letter or an essay. For example, 'The factory discharged waste into the river.' This is better than saying 'The factory put waste in the river.' It shows you have a more professional vocabulary. You should also know that it can mean doing a duty. If you have a job to do, and you do it, you 'discharge your duty'. This is very formal. You will also hear it in news about the military, like 'honorable discharge'. At this level, start noticing how it is used with different prepositions like 'from' and 'into'. It is a useful word for making your English sound more serious and precise.
At the B2 level, you are expected to use 'discharge' correctly in various contexts. You should understand its three main meanings: releasing a person (hospital/military), emitting a substance (pollution/gas), and fulfilling an obligation (duty/debt). You should be comfortable using it in the passive voice, which is very common: 'He was discharged from the hospital.' You should also know common collocations like 'discharge a debt' or 'accidental discharge of a firearm'. At this level, you should be able to distinguish 'discharge' from similar words like 'dismiss' or 'release'. For instance, you know that 'discharge' is the technical term for medical release, while 'release' is more general. You can use it in academic writing to describe processes, such as 'The capacitor discharges energy into the circuit.' This word is a key part of the 'Upper Intermediate' vocabulary that helps you handle professional and technical topics.
At the C1 level, you should have a nuanced understanding of 'discharge'. You should be able to use it to describe complex legal and financial processes, such as 'discharging a contract' or 'discharging a bankruptcy'. You understand that 'discharge' implies a formal, often legal, completion of a status. You can use it metaphorically or in highly technical scientific descriptions without hesitation. For example, you might discuss the 'discharge rate' of a chemical reaction or the 'discharge of fiduciary duties' in a corporate law essay. You are aware of the subtle connotations—how 'discharge' sounds more official than 'perform' and more technical than 'emit'. You also know the noun form 'discharge' and can use it in phrases like 'the patient's discharge was delayed' or 'the lightning discharge was spectacular'. Your use of the word is precise, context-aware, and grammatically perfect.
At the C2 level, 'discharge' is a tool you use with total precision. You understand its most obscure meanings, such as the 'discharge of a jury' or the 'discharge of a cargo' from a ship. You can use it in sophisticated literary or legal contexts where the exact shade of meaning is vital. You might use it to discuss the 'discharge of emotions' in a psychological context (catharsis) or the 'discharge of a debt' in an international finance treaty. You are sensitive to the word's history and its formal weight. You can effortlessly switch between its physical, legal, and professional meanings. Your vocabulary is so advanced that you can use 'discharge' to avoid ambiguity in complex sentences, ensuring that your meaning—whether it refers to the release of a prisoner, the firing of a weapon, or the fulfillment of a life-long obligation—is crystal clear to your audience.

discharge in 30 Seconds

  • Discharge means to officially release someone from a place like a hospital or the military.
  • It also refers to the act of sending out or emitting substances like liquids, gases, or electricity.
  • In a professional sense, it means to perform a duty or fulfill a legal or financial obligation.
  • It is a formal word used in medical, legal, military, and environmental contexts.

The verb discharge is a versatile and sophisticated term in the English language, primarily used to describe the act of releasing someone or something from a formal obligation, a physical location, or a state of containment. At its core, it signifies a transition from being 'held'—whether by a contract, a physical building like a hospital, or a container like a battery—to being 'free' or 'released'. This word is a staple in professional, medical, legal, and scientific contexts, making it a crucial addition to a B2-level vocabulary. Understanding its nuances requires looking at the specific 'container' from which the subject is being released.

Medical Context
In a hospital setting, to discharge a patient means to officially allow them to leave after treatment. It implies that the medical staff has determined the patient is well enough to return home or move to another care facility.

After three days of observation, the doctors decided to discharge the patient with a clean bill of health.

Military and Employment
In the military, a discharge is the formal release of a soldier from their service. This can be 'honorable,' meaning they completed their duty well, or 'dishonorable,' meaning they were forced to leave due to bad behavior.

Beyond people, 'discharge' applies to substances and energy. When a factory sends waste into a river, it is discharging pollutants. When a battery loses its stored energy, it is discharging. This physical sense of 'sending out' or 'pouring forth' is common in environmental science and engineering. Furthermore, in legal and financial realms, one can 'discharge a debt' or 'discharge a duty,' which means to fulfill or pay off an obligation completely. This multi-faceted nature makes 'discharge' a powerful word for describing the completion of tasks and the release of energy or matter.

The industrial plant was fined for discharging toxic chemicals into the local reservoir.

Legal and Financial
To discharge a debt means to pay it in full or to be legally released from the obligation to pay it, often through bankruptcy proceedings.

He worked two jobs for five years to finally discharge all his student loans.

The lightning bolt discharged millions of volts into the ground in a split second.

The soldier was discharged from the army after serving for twenty years.

Using 'discharge' correctly depends heavily on the object of the verb. It is a transitive verb, meaning it usually requires a direct object—you discharge *something* or *someone*. The grammatical patterns change slightly based on the context. For instance, when talking about people, we often use the preposition 'from'. You are discharged *from* the hospital, *from* the army, or *from* your duties. When talking about substances, we use 'into'. A pipe discharges water *into* the sea. Understanding these collocations is key to sounding natural at a B2 level.

Pattern: Discharge [Someone] From [Place/Duty]
This is the most common usage for medical and military contexts. Example: 'The clinic will discharge you from their care once the tests are back.'

The court discharged the jury after they failed to reach a unanimous verdict.

Pattern: Discharge [Substance] Into [Location]
Used in environmental and scientific contexts. Example: 'The volcano discharged ash into the atmosphere for weeks.'

In the context of responsibilities, the object is usually the duty itself. 'To discharge one's duties' is a formal way of saying you did your job. This is frequently found in job descriptions, legal contracts, and performance reviews. It carries a sense of completeness and professionalism. If a CEO discharges their responsibilities effectively, they have met all the requirements of their role. Similarly, in a legal sense, a person might be discharged of their liabilities, meaning they are no longer responsible for a specific debt or legal burden.

It is the executor's job to discharge the wishes of the deceased as stated in the will.

Pattern: Discharge [Responsibility/Debt]
This means to fulfill or satisfy a requirement. Example: 'The company failed to discharge its contractual obligations, leading to a lawsuit.'

The battery will discharge quickly if you leave the screen brightness at maximum.

The security guard was warned never to discharge his firearm unless in immediate danger.

'Discharge' is not a word you will hear often in casual coffee shop conversations, but it is ubiquitous in specific professional domains. If you watch medical dramas like *Grey's Anatomy*, you will hear doctors discussing 'discharge papers' or 'discharge planning'. This refers to the bureaucratic and medical process of getting a patient out of the hospital. In news reports about the environment, you'll frequently hear about 'industrial discharge'—the liquid waste that factories release into the environment. It's a word that carries weight and formality.

In the News
Journalists use 'discharge' when reporting on military veterans ('a decorated soldier received an honorable discharge') or environmental accidents ('the tanker discharged thousands of gallons of oil').

The evening news reported that the power plant had discharged heated water into the lake, affecting local fish populations.

In Legal Dramas
Lawyers might talk about 'discharging a contract' or a judge 'discharging a defendant' if there isn't enough evidence to hold them. It signals the end of a legal hold or obligation.

You will also encounter this word in technical manuals for electronics. When a manual says 'do not discharge the battery completely,' it is giving advice on how to maintain the device's longevity. In the world of science, particularly biology, 'discharge' can refer to the release of bodily fluids or the firing of neurons. While some of these uses are quite technical, the underlying theme of 'release' remains constant. Whether it's a patient leaving a ward, a soldier leaving a unit, or a battery losing its charge, 'discharge' is the formal word of choice for these transitions.

The technician explained that the capacitor would discharge its energy safely through the resistor.

In Workplace Settings
Human Resources might use the term 'discharge' in formal documents to refer to the termination of employment, though 'dismissal' is also common.

The employee was discharged for gross misconduct after the internal investigation.

One of the most common mistakes learners make with 'discharge' is using it interchangeably with 'release' or 'dismiss' in every situation. While they are synonyms, they are not always interchangeable. For example, you 'release' a movie or 'release' a prisoner, but you 'discharge' a patient or a soldier. 'Dismiss' is usually used for classes or employees, while 'discharge' in employment is much more formal and often implies a specific legal or contractual end. Using the wrong word can make a sentence sound slightly 'off' to a native speaker.

Mistake: Discharge vs. Release
Don't say 'The studio discharged the new film.' Instead, use 'released'. 'Discharge' implies a formal letting go from a duty or a physical emission, not a commercial launch.

Correct: The hospital discharged the patient. Incorrect: The hospital released the patient (though 'released' is okay, 'discharged' is the professional medical term).

Mistake: Confusing with 'Charge'
In electronics, remember that 'discharge' is the loss of energy. Learners sometimes confuse this with 'recharge'. If your phone is discharging, it is losing battery, not gaining it.

Another subtle mistake is the use of prepositions. As mentioned before, 'discharge from' is for places/roles, and 'discharge into' is for liquids/gases. Using 'discharge at' or 'discharge to' is usually incorrect unless referring to a specific target in a shooting context. Additionally, when talking about duties, you don't 'discharge from a duty'—you simply 'discharge your duty'. The duty is the object of the action. Mastering these small grammatical markers will elevate your writing from 'good' to 'advanced'.

Incorrect: He discharged from his responsibilities. Correct: He discharged his responsibilities.

Mistake: Overusing in Casual Speech
Avoid saying 'I will discharge the trash' when you mean 'take out the trash'. 'Discharge' is too formal for household chores.

Correct: The battery discharged overnight. Casual: The battery died overnight.

Because 'discharge' has so many meanings, its synonyms depend entirely on the context. If you are talking about a hospital, 'release' is the closest alternative. In a military context, 'decommission' or 'mustering out' might be used, though 'discharge' is the standard term. For substances, 'emit', 'exude', or 'release' are good substitutes. For duties, 'fulfill', 'perform', or 'execute' work well. Understanding these alternatives helps you avoid repetition in your writing and allows you to choose the word with the exact connotation you need.

Comparison: Discharge vs. Emit
'Emit' is usually for light, heat, or sound (e.g., 'the sun emits radiation'). 'Discharge' is usually for physical matter like water, chemicals, or electricity.

The factory discharged waste, while the chimney emitted smoke.

Comparison: Discharge vs. Fulfill
'Fulfill' is more common for dreams or promises. 'Discharge' is more common for formal duties or legal obligations.

In the realm of firearms, 'fire' or 'shoot' are the common terms, while 'discharge' is the formal/legal term used in police reports. In electricity, 'drain' is a more casual way to say a battery is discharging. For example, 'Running that app really drains my battery' vs 'The battery is discharging at a rate of 5% per hour.' By choosing 'discharge', you are signaling that you are speaking from a position of technical knowledge or formal authority. This makes it an excellent word for academic essays, business reports, and professional correspondence.

The executor must discharge the estate's debts before distributing the inheritance.

Comparison: Discharge vs. Dismiss
'Dismiss' often implies a rejection or a sending away because someone is no longer wanted. 'Discharge' often implies the completion of a term or a formal process.

The case was dismissed by the judge, but the prisoner was discharged from custody.

How Formal Is It?

Formal

"The corporation has successfully discharged its fiduciary obligations."

Neutral

"The patient was discharged from the clinic yesterday."

Informal

"My phone is discharging so fast today!"

Child friendly

"The doctor said you are all better and can go home now!"

Slang

"He got the boot (was discharged/fired) from the team."

Fun Fact

The word originally meant to physically 'take the load off' a cart. Today, we use it for 'taking the load off' a person's responsibilities or a battery's energy.

Pronunciation Guide

UK /dɪsˈtʃɑːdʒ/
US /dɪsˈtʃɑːrdʒ/
Second syllable (dis-CHARGE)
Rhymes With
large charge barge marge surcharge enlarge recharge overcharge
Common Errors
  • Stressing the first syllable (DIS-charge) is common when used as a noun, but as a verb, the stress is on the second.
  • Pronouncing the 'g' like 'gift' instead of 'judge'.
  • Confusing the vowel sound in 'charge' with 'change'.
  • Omitting the 's' sound in 'dis'.
  • Pronouncing 'ch' as 'sh'.

Difficulty Rating

Reading 3/5

Common in news and formal texts.

Writing 4/5

Requires knowledge of specific collocations.

Speaking 4/5

Not used often in casual speech.

Listening 3/5

Easy to recognize in context.

What to Learn Next

Prerequisites

release duty charge hospital military

Learn Next

obligate emit fulfill liability fiduciary

Advanced

mustering out exude decommission exonerate

Grammar to Know

Passive Voice with 'Discharge'

The patient *was discharged*.

Prepositional usage (from)

Discharged *from* the army.

Prepositional usage (into)

Discharged *into* the river.

Gerund as subject

*Discharging* waste is illegal.

Infinitive of purpose

He worked hard *to discharge* his debt.

Examples by Level

1

The doctor will discharge you today.

The doctor will let you go home today.

Future tense with 'will'.

2

You can leave when they discharge you.

You can leave when they say it's okay.

Present tense in a time clause.

3

The hospital discharged the man.

The hospital let the man go home.

Past simple tense.

4

He was discharged yesterday.

He was allowed to leave yesterday.

Passive voice (was + past participle).

5

They will discharge the patient soon.

They will let the patient go soon.

Future tense.

6

Did the doctor discharge her?

Did the doctor say she can go?

Question form with 'did'.

7

I want to be discharged.

I want to go home from the hospital.

Infinitive after 'want'.

8

She is happy to be discharged.

She is happy to leave.

Adjective + infinitive.

1

The soldier was discharged from the army.

The soldier finished his service.

Passive voice with 'from'.

2

The battery discharges when you use the phone.

The battery loses power.

Present simple for a general fact.

3

The pipe discharges water into the lake.

The pipe sends water into the lake.

Subject-verb agreement (singular).

4

He received an honorable discharge.

He left the military with a good record.

Used as a noun here (though prompt asked for verb, this is common).

5

The factory discharges smoke every day.

The factory sends out smoke.

Present simple.

6

They discharged him after he got better.

They let him leave after he was healthy.

Past simple.

7

The battery is discharging very fast.

The battery is losing power quickly.

Present continuous.

8

You must discharge your duties well.

You must do your job well.

Modal verb 'must' + base form.

1

The patient was discharged after a full recovery.

The patient was sent home after getting well.

Passive voice.

2

The company was fined for discharging chemicals.

The company had to pay for releasing chemicals.

Gerund after a preposition.

3

He has discharged all his responsibilities.

He has done everything he was supposed to do.

Present perfect tense.

4

The weapon was discharged by accident.

The gun went off by mistake.

Passive voice.

5

The battery will discharge if left in the cold.

The battery will lose energy in low temperatures.

Conditional sentence.

6

She was discharged from her contract early.

Her contract was ended before the date.

Passive voice with 'from'.

7

The river is polluted by industrial discharge.

The river is dirty because of factory waste.

Noun usage in a passive sentence.

8

He struggled to discharge his mounting debts.

He found it hard to pay his growing debts.

Infinitive of purpose.

1

The hospital's policy is to discharge patients by noon.

The hospital usually sends people home by 12:00.

Infinitive as a complement.

2

The volcano discharged a massive cloud of ash.

The volcano sent out a lot of ash.

Past simple.

3

He was discharged from the military for medical reasons.

He had to leave the army because he was sick/injured.

Passive voice with 'for'.

4

The court discharged the defendant due to lack of evidence.

The court let the person go because there was no proof.

Past simple.

5

It is essential to discharge your obligations faithfully.

It is important to do what you promised.

Formal 'It is + adjective + to-infinitive' structure.

6

The capacitor discharges its stored energy into the circuit.

The electrical part releases energy.

Present simple for technical description.

7

The officer was disciplined for discharging his firearm.

The officer was punished for firing his gun.

Gerund after 'for'.

8

The debtor was finally discharged from bankruptcy.

The person was legally free from their debts.

Passive voice with 'from'.

1

The fiduciary failed to discharge his duties with due diligence.

The person in charge didn't do their job carefully enough.

Formal legal language.

2

The wound began to discharge a clear fluid.

The injury started to leak liquid.

Infinitive after 'began'.

3

The treaty was discharged by the mutual agreement of both nations.

The agreement was ended because both countries agreed.

Passive voice in a formal context.

4

The battery's discharge rate is influenced by ambient temperature.

How fast the battery loses power depends on the heat.

Noun usage in a complex sentence.

5

He was honorably discharged after a distinguished career.

He left the military with high praise.

Adverbial modification of the passive verb.

6

The plant was authorized to discharge treated wastewater.

The factory was allowed to release cleaned water.

Passive voice with 'to-infinitive'.

7

The jury was discharged after failing to reach a verdict.

The jury was sent home because they couldn't agree.

Passive voice.

8

The executor must discharge all liabilities of the estate.

The person in charge must pay all the dead person's debts.

Modal 'must' + base form.

1

The prisoner's discharge was contingent upon his good behavior.

The prisoner could only leave if he behaved well.

Noun usage with a complex adjective phrase.

2

The lightning bolt discharged an unfathomable amount of energy.

The lightning released a huge amount of power.

Past simple with advanced vocabulary.

3

The court ruled that the contract had been discharged by frustration.

The court said the contract ended because it became impossible.

Passive perfect in a 'that' clause.

4

The patient's discharge summary was meticulously documented.

The final report about the patient was written very carefully.

Compound noun 'discharge summary'.

5

The corporation sought to discharge its environmental liabilities.

The company tried to get rid of its legal responsibility for pollution.

Infinitive after 'sought'.

6

The weapon's accidental discharge led to a rigorous safety review.

The gun going off by mistake caused a big safety check.

Noun usage as the subject.

7

The employee was summarily discharged for a breach of confidentiality.

The worker was fired immediately for telling secrets.

Adverbial modification 'summarily'.

8

The capacitor must be fully discharged before maintenance begins.

The electrical part must have no energy left before you fix it.

Modal passive.

Common Collocations

discharge a patient
discharge a duty
discharge a debt
honorable discharge
industrial discharge
accidental discharge
discharge energy
discharge a contract
discharge waste
discharge papers

Common Phrases

discharge from hospital

— The process of leaving a hospital after treatment.

His discharge from hospital was delayed by a fever.

discharge of responsibility

— Fulfilling what one is expected to do.

The discharge of responsibility is a key trait of a leader.

discharge into the atmosphere

— Releasing gases or particles into the air.

The volcano discharged ash into the atmosphere.

discharge a firearm

— To fire a gun.

It is illegal to discharge a firearm within city limits.

discharge a liability

— To pay off a debt or legal obligation.

The company sought to discharge its liabilities.

discharge a prisoner

— To release someone from jail.

The governor decided to discharge the prisoner.

discharge a cargo

— To unload goods from a ship or plane.

The ship discharged its cargo at the docks.

discharge a function

— To perform a specific role or task.

The heart discharges the function of pumping blood.

discharge of electricity

— The release of stored electrical energy.

A spark is a small discharge of electricity.

discharge one's conscience

— To do something to stop feeling guilty.

He confessed to discharge his conscience.

Often Confused With

discharge vs dismiss

Dismiss is for employees/classes; discharge is for hospitals/military.

discharge vs release

Release is general; discharge is formal/technical.

discharge vs emit

Emit is for light/sound; discharge is for matter/electricity.

Idioms & Expressions

"discharge a debt of honor"

— To pay back a favor or a moral obligation.

He helped his friend to discharge a debt of honor.

formal
"discharge a volley"

— To fire many weapons at the same time.

The soldiers discharged a volley of shots.

literary
"discharge one's arrows"

— To use up all one's arguments or resources.

The lawyer had discharged all his arrows by the end of the trial.

literary
"discharge a burden"

— To get rid of a heavy responsibility.

She felt she had discharged a burden after finishing the project.

neutral
"discharge a trust"

— To fulfill a position of confidence or responsibility.

He discharged the trust placed in him by the community.

formal
"discharge a commission"

— To complete a specific task or order.

The artist discharged the commission within three months.

formal
"discharge a debt to society"

— To serve a prison sentence.

He has discharged his debt to society and is now a free man.

neutral
"discharge a spark"

— To initiate something quickly or suddenly.

The comment discharged a spark of anger in the room.

metaphorical
"discharge a flow"

— To allow something to proceed or continue.

The dam was opened to discharge a flow of water.

technical
"discharge a duty of care"

— To act responsibly toward others as required by law.

The school failed to discharge its duty of care to the students.

legal

Easily Confused

discharge vs dismiss

Both mean letting someone go.

Dismiss usually implies the person is no longer wanted or the session is over. Discharge implies a formal completion of a process.

The teacher dismissed the class, but the hospital discharged the patient.

discharge vs release

Very similar meaning of letting go.

Release is broader (releasing a bird, a movie, a prisoner). Discharge is specific to institutions or technical emissions.

They released the bird into the wild, but they discharged the soldier from service.

discharge vs eject

Both mean sending something out.

Eject implies force or suddenness (ejecting from a plane). Discharge is often a continuous or formal process.

The pilot ejected from the plane, but the pipe discharged water.

discharge vs expel

Both mean forcing something out.

Expel often has a negative connotation (expelled from school). Discharge is more neutral or professional.

He was expelled for fighting, but he was discharged after his surgery.

discharge vs fire

Both can mean shooting a gun or losing a job.

Fire is casual for employment; discharge is formal. For guns, discharge is the technical/legal term.

He was fired from his job, but the report said he discharged his weapon.

Sentence Patterns

A2

Subject + was discharged + from + Place

He was discharged from the hospital.

B1

Subject + discharged + its + Substance + into + Place

The factory discharged its waste into the river.

B2

Subject + must discharge + possessive + duty

You must discharge your duty.

C1

The + Noun + was discharged + by + Noun

The contract was discharged by performance.

B2

Subject + discharged + a + firearm

He discharged a firearm.

B1

Subject + is discharging + (battery)

The battery is discharging.

C2

It is + Adjective + to discharge + Noun

It is vital to discharge these obligations.

A2

Subject + will discharge + Object + soon

They will discharge him soon.

Word Family

Nouns

Verbs

Adjectives

Related

How to Use It

frequency

Common in professional and technical writing; rare in casual speech.

Common Mistakes
  • The hospital released me. The hospital discharged me.

    While 'released' is understandable, 'discharged' is the standard medical term.

  • He discharged from his job. He was discharged from his job.

    In this context, the passive voice is usually required.

  • The battery is charging out. The battery is discharging.

    There is no phrase 'charging out'. Use 'discharging' for energy loss.

  • He discharged his promise. He fulfilled his promise.

    'Discharge' is for formal duties, not personal promises.

  • The pipe discharged at the river. The pipe discharged into the river.

    Use 'into' to show the destination of a substance.

Tips

Use in Writing

In academic or professional writing, use 'discharge' to describe the release of substances or the fulfillment of duties to sound more precise.

Preposition Match

Remember: Discharge FROM a place, discharge INTO a location. Using the right preposition is vital for B2 learners.

Opposite of Charge

Think of a battery. To charge is to put energy in; to discharge is to let energy out. This helps remember the physical meaning.

Duty and Debt

When you finish a task or pay a bill, you can say you 'discharged' it. This is very common in business and law.

Hospital Talk

If you are in a hospital, 'discharge' is the word you want to hear—it means you are going home!

Military Record

An 'honorable discharge' is a valuable credential for veterans. It's more than just leaving; it's a certificate of good service.

Environmental Impact

Use 'discharge' when discussing pollution. 'The factory's discharge' sounds much more professional than 'the factory's trash'.

Legal Release

A judge can 'discharge' a jury or a defendant. It means their role in the current legal process is over.

Stress the End

As a verb, always stress the second part: dis-CHARGE. This distinguishes it from some noun uses.

Common Pairs

Learn 'discharge a duty' as a single block of meaning. It will make your formal English much smoother.

Memorize It

Mnemonic

Think of 'DIS' (away) and 'CHARGE' (a load). To discharge is to take the load away—whether it's a patient's illness, a soldier's duty, or a battery's power.

Visual Association

Imagine a hospital door opening and a happy person walking out, or a large pipe pouring water into a river.

Word Web

Hospital Military Pollution Battery Duty Debt Gun Release

Challenge

Try to write three sentences using 'discharge' in three different ways: medical, environmental, and professional.

Word Origin

From Middle English 'dischargen', from Old French 'descharger', which comes from Late Latin 'discarricare'.

Original meaning: To unload a wagon or ship.

Indo-European (Latinate via French).

Cultural Context

Be careful when using 'discharge' in a medical context, as it can also refer to bodily fluids (pus, mucus), which can be a sensitive or unpleasant topic.

Military discharge is a very common topic in US and UK history and media.

The 'Honorable Discharge' certificate given to veterans. News reports on 'Industrial Discharge' in the Great Lakes. Medical dramas like 'ER' or 'House' frequently use the term.

Practice in Real Life

Real-World Contexts

Medical

  • discharge papers
  • discharge summary
  • ready for discharge
  • post-discharge care

Military

  • honorable discharge
  • dishonorable discharge
  • medical discharge
  • discharge from service

Environmental

  • waste discharge
  • chemical discharge
  • discharge permit
  • illegal discharge

Financial

  • discharge a debt
  • discharge a loan
  • bankruptcy discharge
  • discharge of liability

Technical

  • battery discharge
  • electrical discharge
  • discharge rate
  • static discharge

Conversation Starters

"Have you ever been discharged from a hospital and felt like you weren't ready to go home?"

"What do you think should be the penalty for companies that discharge waste into rivers?"

"In your country, how difficult is it to discharge student loan debt?"

"Do you think military service should end with a formal discharge ceremony?"

"How do you ensure you discharge all your responsibilities at work before the weekend?"

Journal Prompts

Describe a time you felt a great sense of relief after discharging a difficult duty.

Write about the environmental impact of industrial discharge in your local area.

Imagine you are a doctor. Write a discharge summary for a patient who has made a miraculous recovery.

Reflect on the metaphorical 'discharge' of emotions. Is it always good to let them out?

Discuss the importance of discharging financial debts for personal peace of mind.

Frequently Asked Questions

10 questions

Yes, it can be a noun referring to the act of discharging or the substance that is discharged. For example, 'The patient's discharge was scheduled for Monday' or 'The chemical discharge was toxic.'

It is a formal statement that a person has completed their military service with a good record. It is highly respected in many countries.

Yes, but 'discharge' is more formal. You will see 'accidental discharge' in police reports rather than 'accidental firing'.

Yes, in legal contexts like bankruptcy, a court can discharge a debt, meaning the person is no longer legally required to pay it.

You usually say 'The doctor discharged the patient' or 'The patient was discharged from the hospital'.

It means the battery is losing its stored electrical energy, usually because it is being used to power a device.

Yes, it is a formal word. In casual conversation, people usually say 'let go', 'send home', or 'go off' (for a gun).

It is a medical document prepared when a patient leaves a hospital, detailing their treatment and future care needs.

Yes, in formal English, you can 'discharge your duties' or 'discharge your responsibilities', meaning you have done them.

Emit is usually for non-physical things like light or sound, while discharge is for physical things like water or electricity.

Test Yourself 180 questions

writing

Write a sentence about a hospital using 'discharge'.

Well written! Good try! Check the sample answer below.

Ensure you use the verb correctly in a medical context.

Correct! Not quite. Correct answer:

Ensure you use the verb correctly in a medical context.

writing

Write a sentence about a factory using 'discharge'.

Well written! Good try! Check the sample answer below.

Focus on the environmental meaning of releasing substances.

Correct! Not quite. Correct answer:

Focus on the environmental meaning of releasing substances.

writing

Write a sentence about a soldier using 'discharge'.

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Use the military context correctly.

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Use the military context correctly.

writing

Write a sentence about a battery using 'discharge'.

Well written! Good try! Check the sample answer below.

Focus on the loss of electrical energy.

Correct! Not quite. Correct answer:

Focus on the loss of electrical energy.

writing

Write a sentence about a duty using 'discharge'.

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Use the professional meaning of fulfilling a responsibility.

Correct! Not quite. Correct answer:

Use the professional meaning of fulfilling a responsibility.

writing

Write a sentence about a debt using 'discharge'.

Well written! Good try! Check the sample answer below.

Focus on paying off financial obligations.

Correct! Not quite. Correct answer:

Focus on paying off financial obligations.

writing

Write a sentence about a gun using 'discharge'.

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Use the formal term for firing a weapon.

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Use the formal term for firing a weapon.

writing

Write a sentence about a volcano using 'discharge'.

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Focus on the natural emission of substances.

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Focus on the natural emission of substances.

writing

Write a sentence about a jury using 'discharge'.

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Use the legal context of releasing a jury.

Correct! Not quite. Correct answer:

Use the legal context of releasing a jury.

writing

Write a sentence about a contract using 'discharge'.

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Focus on the legal completion of an agreement.

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Focus on the legal completion of an agreement.

writing

Write a short paragraph (3 sentences) about a patient leaving a hospital using 'discharge'.

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Use the word in both verb and noun forms if possible.

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Use the word in both verb and noun forms if possible.

writing

Write a sentence using 'discharge' to mean 'to unload'.

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Use the traditional meaning of unloading goods.

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Use the traditional meaning of unloading goods.

writing

Write a sentence using 'discharge' in the passive voice.

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Ensure the 'be + past participle' structure is correct.

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Ensure the 'be + past participle' structure is correct.

writing

Write a sentence using 'discharge' and the preposition 'into'.

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Show the flow of a substance into a location.

Correct! Not quite. Correct answer:

Show the flow of a substance into a location.

writing

Write a sentence using 'discharge' and the preposition 'from'.

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Show the release from an institution.

Correct! Not quite. Correct answer:

Show the release from an institution.

writing

Write a sentence about a 'static discharge'.

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Focus on the release of static electricity.

Correct! Not quite. Correct answer:

Focus on the release of static electricity.

writing

Write a sentence about 'discharging a liability'.

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Use the formal legal/financial context.

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Use the formal legal/financial context.

writing

Write a sentence about 'discharging a function'.

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Use the formal meaning of performing a role.

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Use the formal meaning of performing a role.

writing

Write a sentence about 'discharging a prisoner'.

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Focus on the release from incarceration.

Correct! Not quite. Correct answer:

Focus on the release from incarceration.

writing

Write a sentence about 'discharging a volley'.

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Use the literary/military context.

Correct! Not quite. Correct answer:

Use the literary/military context.

speaking

Explain the meaning of 'discharge' in a hospital context.

Read this aloud:

Correct! Not quite. Correct answer:

Focus on the release from medical care.

speaking

How would you use 'discharge' to talk about a battery?

Read this aloud:

Correct! Not quite. Correct answer:

Focus on energy loss.

speaking

What is the difference between an honorable and dishonorable discharge?

Read this aloud:

Correct! Not quite. Correct answer:

Distinguish between the two military records.

speaking

Use 'discharge' in a sentence about pollution.

Read this aloud:

Correct! Not quite. Correct answer:

Focus on environmental release.

speaking

What does 'discharge your duties' mean in a job interview?

Read this aloud:

Correct! Not quite. Correct answer:

Focus on professional performance.

speaking

How do you pronounce 'discharge' as a verb?

Read this aloud:

Correct! Not quite. Correct answer:

Stress the second syllable.

speaking

What does 'accidental discharge' mean?

Read this aloud:

Correct! Not quite. Correct answer:

Focus on the unintentional firing of a weapon.

speaking

Can you use 'discharge' to talk about money?

Read this aloud:

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Focus on financial obligations.

speaking

What is a 'discharge summary'?

Read this aloud:

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Focus on the medical document.

speaking

Is 'discharge' a formal or informal word?

Read this aloud:

Correct! Not quite. Correct answer:

Identify the register.

speaking

Give an example of 'discharging a function'.

Read this aloud:

Correct! Not quite. Correct answer:

Use a biological or formal example.

speaking

What happens when a judge discharges a jury?

Read this aloud:

Correct! Not quite. Correct answer:

Focus on the legal release.

speaking

Why would a factory need a 'discharge permit'?

Read this aloud:

Correct! Not quite. Correct answer:

Focus on environmental regulation.

speaking

Can 'discharge' mean to unload a ship?

Read this aloud:

Correct! Not quite. Correct answer:

Identify the maritime meaning.

speaking

What is a 'static discharge'?

Read this aloud:

Correct! Not quite. Correct answer:

Focus on static electricity.

speaking

How do you say 'The battery is dying' more formally?

Read this aloud:

Correct! Not quite. Correct answer:

Use the technical term.

speaking

What does it mean to 'discharge a contract'?

Read this aloud:

Correct! Not quite. Correct answer:

Focus on the legal end of an agreement.

speaking

Why is 'discharge' used in medical dramas?

Read this aloud:

Correct! Not quite. Correct answer:

Relate to popular culture.

speaking

Can you discharge a prisoner?

Read this aloud:

Correct! Not quite. Correct answer:

Focus on the legal release.

speaking

What is the origin of the word 'discharge'?

Read this aloud:

Correct! Not quite. Correct answer:

Mention the etymology.

listening

Listen for the word: 'The patient was discharged at noon.' When did they leave?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

The time is explicitly stated.

listening

Listen: 'Industrial discharge is a major problem.' What is the problem?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

'Industrial discharge' refers to factory waste.

listening

Listen: 'He received an honorable discharge.' Is he still in the army?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

A discharge means he has left.

listening

Listen: 'The battery is discharging quickly.' Is the phone losing power?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

Discharging means losing power.

listening

Listen: 'The gun was discharged.' Was a shot fired?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

Discharging a gun means firing it.

listening

Listen: 'She discharged her duties well.' Was she a good worker?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

Discharging duties well implies good performance.

listening

Listen: 'The debt was discharged.' Does he still owe money?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

Discharged means the debt is gone.

listening

Listen: 'The pipe discharges into the sea.' Where is the water going?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

The destination is the sea.

listening

Listen: 'The jury was discharged.' Are they still in the courtroom?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

They have been sent home.

listening

Listen: 'The wound has a discharge.' Is it dry?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

A discharge is a liquid.

listening

Listen: 'The ship is discharging cargo.' What are they doing?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

Discharging cargo means unloading.

listening

Listen: 'The volcano discharged ash.' What came out of the volcano?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

Ash was the substance discharged.

listening

Listen: 'The capacitor discharged energy.' What was released?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

Energy was the thing released.

listening

Listen: 'The contract was discharged.' Is the agreement over?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

Discharged means finished.

listening

Listen: 'The employee was discharged.' Did they keep their job?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

Discharged means fired in this context.

/ 180 correct

Perfect score!

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