burn out

2 meanings

Meanings
  1. 1 become very tired from too much work or stress B2
  2. 2 stop working because it gets too hot or is used too much (a light, a motor) B1
1 burn out

become very tired from too much work or stress

B2

What does "burn out" mean in this sense?

To burn out means to reach a state of deep, lasting exhaustion caused by prolonged stress or overwork — not just feeling tired after a long day. It describes a serious collapse of both mental and physical energy that builds up over weeks, months, or even years of relentless pressure. The phrase is especially associated with demanding professions such as nursing, teaching, or social work, where emotional strain is constant. Unlike ordinary tiredness, burning out suggests that a person's resources have been so depleted that recovery takes real time and effort. It often appears in warnings or advice, pointing to the consequences of pushing yourself too hard for too long.

Examples

How to use it

subject + burn out

The most common pattern — used with no object, since the person experiencing the exhaustion is the subject.

Many junior doctors burn out before they reach their thirties.

subject + burn out + adverb

Adverbs like 'completely', 'quickly', 'easily', or 'eventually' are frequently added to show the degree or speed of the exhaustion.

He burned out completely after two years of running the startup alone.

subject + burn out + cause phrase

A cause phrase beginning with 'from', 'after', or 'due to' can explain what led to the exhaustion.

She burned out from the constant pressure of managing three departments at once.

modal/will + burn out

Very common in warnings and conditional structures where burning out is presented as a likely future outcome.

If you keep skipping weekends, you'll burn out long before the deadline.

risk/tend to + burning out

Used after verbs like 'risk' and phrases like 'tend to' when referring to the likelihood of becoming exhausted.

People in caregiving roles tend to burn out if they don't set clear boundaries.

Common Collocations

nurses / teachers / doctors burn outburn out from overworkburn out quickly / easilyrisk burning outeventually burn outburn out within the first few years

Common Mistakes

Confusing 'burn out' with 'wear out'

'Wear out' describes general, often temporary tiredness — feeling drained after a busy day. 'Burn out' is more serious: it implies a deeper, longer-term exhaustion caused specifically by chronic stress or overwork. They are not fully interchangeable.

✗ I wore out after months of working 60-hour weeks — I needed to see a doctor.
✓ I burned out after months of working 60-hour weeks — I needed to see a doctor.
Using 'burn out' for machines or fires in this sense

In this sense, the subject must always be a person or group of people. If the subject is a machine, motor, or flame, the sentence belongs to a different meaning of 'burn out' and could confuse your reader.

✗ The engine burned out, so we had to call a mechanic — just like our team did last quarter.
✓ Our team burned out last quarter from the constant pressure — we needed to slow down.
Treating 'burn out' as separable in this sense

In this intransitive sense, there is no object, so the verb cannot be split. You can say 'she burned out completely', but you cannot insert a noun or pronoun between 'burn' and 'out' here.

✗ She burned herself out completely. (in the intransitive exhaustion sense)
✓ She burned out completely after months of nonstop deadlines.

Usage

This phrasal verb is neutral in register and works in both spoken and written English, from casual conversation to workplace wellbeing articles. The related noun 'burnout' (one word) is equally common and worth learning alongside the verb form.

2 burn (sth) out

stop working because it gets too hot or is used too much (a light, a motor)

B1

Sense 2: What does "burn (sth) out" mean?

This sense of 'burn out' describes what happens when a machine, motor, or electrical device stops working because too much heat or too much use has damaged it. It's the kind of failure that happens gradually — not in a sudden flash, but because something has been pushed too hard for too long. You might use it to talk about a light bulb that finally stops working after months of use, or an engine that failed because it was run without enough oil. It can describe the device failing on its own ('the motor burned out') or someone causing the failure by misusing it ('she burned out the motor'). The adjective form 'burned-out' is also very common — for example, 'a burned-out bulb' means one that has already failed.

Examples

How to use it

subject (device) + burn out

Used without an object when the device itself is the subject and fails on its own.

The heating element burned out after years of heavy use.

burn out + object (device)

Used transitively when someone or something causes the device to fail.

Running the pump continuously for three days burned out the motor.

burn + pronoun + out

When the object is a pronoun, it must go between 'burn' and 'out' — it cannot come after 'out'.

The wiring was old and the voltage spike burned it out.

subject (device) + be + burned out

Used in the passive to describe the state of a device that has already failed.

The starter motor was completely burned out by the time the mechanic looked at it.

burned-out + noun

Used as an adjective before a noun to describe a device that has failed from heat or overuse.

We found a burned-out fuse in the control panel.

Common Collocations

light bulbmotorenginefusecircuitclutch

Common Mistakes

Pronoun placement

When you use a pronoun like 'it' or 'them', it must go between 'burn' and 'out'. Placing the pronoun after 'out' is incorrect.

✗ The overload burned out it.
✓ The overload burned it out.
Confusing 'burn out' with 'blow out'

'Blow out' describes a sudden, instant failure — like a fuse tripping in a moment. 'Burn out' describes failure that happens gradually because of too much heat or continuous use.

✗ There was a power surge and the motor burned out instantly.
✓ There was a power surge and the motor blew out instantly. / We ran it too hard for weeks and eventually burned out the motor.
Using the present continuous

It sounds unnatural to say a device 'is burning out' unless you can actually observe it failing right at that moment. It's much more natural to talk about this kind of failure in the past tense or as a warning about the future.

✗ I think the engine is burning out right now.
✓ I think the engine has burned out. / If you keep doing that, you'll burn the engine out.

Usage

This phrasal verb works both transitively ('you'll burn the motor out') and intransitively ('the motor burned out'). Both 'burned out' (AmE) and 'burnt out' (BrE) are correct as past tense and adjective forms.

Frequently Asked Questions

Is 'burnout' (one word) the same as 'burn out' (two words)?

They refer to the same concept but work differently in a sentence. 'Burn out' is the verb ('she burned out after six months'), while 'burnout' is the noun ('she suffered from burnout'). Both are very common, especially in workplace and wellbeing contexts, so it's useful to learn both forms.

Does 'burn out' always mean exhaustion, or can it mean something else?

The same form 'burn out' has other meanings — for example, a candle or fire ceasing to burn, or a motor failing from overheating. However, when the subject is a person, the exhaustion meaning is almost always intended. Context makes the difference clear.

Can I use 'burn out' in the present continuous — like 'I'm burning out'?

Yes, the present continuous is natural when you want to describe an ongoing process of exhaustion that is happening now. 'I feel like I'm burning out' suggests you're in the middle of that slide toward serious exhaustion, not that it's already complete.

What kinds of people or situations is 'burn out' most commonly used with?

It's most often used with people in high-pressure or emotionally demanding roles — nurses, teachers, social workers, managers, and entrepreneurs are classic examples. It typically follows sustained overwork or chronic stress over a period of months or years, rather than a single difficult event.

Can 'burn out' be used in the passive — for example, 'she was burned out'?

In this intransitive sense, a passive construction doesn't apply because there is no object. If you see 'she was burned out by the job', that comes from a related transitive use of the verb, which is a slightly different pattern. In this sense, you would simply say 'she burned out' or describe her as 'burnt out' using the adjective.

Does 'burn out' always mean the same thing?

No — the same phrasal verb has different meanings depending on context. This entry covers machines and devices failing from heat or overuse. When the subject is a person, 'burn out' has a completely different meaning related to exhaustion from work. A separate section on this page covers the other senses.

Can I say 'burnt out' instead of 'burned out'?

Yes, both are correct. 'Burned out' is more common in American English, while 'burnt out' is often used in British English. Both forms are accepted and understood everywhere.

Is it correct to write 'a burned out bulb' without a hyphen?

When 'burned-out' comes directly before a noun as an adjective, it's usually hyphenated — so 'a burned-out bulb' is the standard written form. When it comes after a verb, no hyphen is needed, for example: 'the bulb is burned out'.

What kinds of things can 'burn out' in this sense?

Typically mechanical or electrical things — like motors, engines, light bulbs, fuses, circuits, clutches, heating elements, and wiring. If something can overheat or wear out from too much use, 'burn out' is likely the right phrasal verb.

Can 'burn out' be used in the passive?

Yes, and it's very natural. You can say 'the motor was burned out' to describe the state after it failed, or 'the fuse was burned out by the overload' to explain what caused the failure. The passive form is especially common when describing what you find after a problem has already happened.

Related Phrasal Verbs

wear sb out

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