Quick answer: Exhausting (-ing) describes something that causes tiredness — a cause: Moving house was exhausting. Exhausted (-ed) describes how a person feels — a state or result: I am exhausted after moving house. The rule: -ing adjectives describe the thing/situation; -ed adjectives describe the person's feeling. For a fuller definition, see the Cambridge Dictionary entry for ‘exhausting’.

Comparison Table

WordPart of SpeechMeaningExample
exhaustingadjective (-ing)causing extreme tiredness; describes a thing, activity, or situationThat was an exhausting shift at the hospital.
exhaustedadjective (-ed)feeling extremely tired; describes a person's stateShe felt completely exhausted after the shift.

Using Exhausting

Exhausting is an -ing adjective describing something (an activity, event, or person's behaviour) that causes extreme tiredness in others.

The hike up the mountain was exhausting.

Looking after three young children is exhausting.

It was an exhausting week of exams and interviews.

Her constant complaining is exhausting to listen to.

Using Exhausted

Exhausted is an -ed adjective describing a person's state after being made very tired — it always describes the person (or animal) experiencing the tiredness, not the cause.

I'm exhausted after that long flight.

The runners were exhausted by the time they crossed the finish line.

She looked exhausted after her night shift.

We were all exhausted but happy after the wedding.

Memory Trick

Use the standard -ing/-ed rule: the situATION is exhaustING; the pERSON feels exhaustED. Compare with "boring/bored" and "interesting/interested" — same pattern.

Common Mistakes

Mistake 1 — Using exhausted to describe the cause

That was such an exhausted day at work.
That was such an exhausting day at work.

Mistake 2 — Using exhausting to describe how you feel

I am exhausting after the marathon.
I am exhausted after the marathon.

Tips to Avoid Confusion

  • Ask: are you describing the cause/activity? Use exhausting.
  • Ask: are you describing how a person feels? Use exhausted.
  • This is the same -ing/-ed pattern as boring/bored, interesting/interested, and confusing/confused.
  • A thing is exhausting; a person is (made) exhausted by it.

For more on related grammar, see participle adjectives. Also confusing: Afraid vs Frightened, Angry vs Furious, Alone vs Lonely. Browse all confusing word pairs →

Quick Check: Exhausting or Exhausted?

4 fill-in-the-blank questions — choose the correct word for each sentence.

1. “That meeting was absolutely ___.” (the cause)

2. “I feel completely ___ after that meeting.” (how you feel)

3. “Training for a marathon is really ___.”

4. “By the end of the race, the athletes were totally ___.”

Frequently Asked Questions

What is the difference between exhausting and exhausted?

Exhausting is an -ing adjective describing something that causes tiredness, like an activity or situation: "That was an exhausting day." Exhausted is an -ed adjective describing how a person feels: "I am exhausted." The -ing form describes the cause; the -ed form describes the feeling.

Is this the same pattern as boring and bored?

Yes, exactly. Boring/bored, interesting/interested, tiring/tired, and exhausting/exhausted all follow the same rule: the -ing adjective describes the thing causing the feeling, and the -ed adjective describes the person experiencing it.

Can a person be described as exhausting?

Yes, if you mean the person's behaviour tires other people out: "My little brother is exhausting — he never stops talking." Here, exhausting describes the effect his behaviour has on others, not his own tiredness.

Can exhausted ever describe a thing rather than a person?

Rarely, but yes in specific technical senses: "exhausted resources" or "an exhausted mine" means resources/supplies that have been completely used up, not tired. This is a different, more literal sense of "exhaust" (to use up completely).

What word class are exhausting and exhausted?

Both are adjectives derived from the verb 'to exhaust' (to tire out completely, or to use up completely). Exhausting is the present participle used as an adjective; exhausted is the past participle used as an adjective.

Is 'I am exhausting' ever correct English?

Only if you genuinely mean you (your personality or behaviour) tire other people out: "I know I'm exhausting to be around when I'm anxious." It is a mistake if you are trying to say you feel tired — for that, you need "I am exhausted."

What is a common learner mistake with exhausting/exhausted?

Learners often say "I am very exhausting" when they mean "I am very exhausted", accidentally describing themselves as tiring to be around instead of describing their own tiredness. This is one of the most frequent -ing/-ed adjective errors in English.

Are there other similar -ing/-ed pairs I should learn alongside this one?

Yes — common pairs include: boring/bored, tiring/tired, confusing/confused, interesting/interested, annoying/annoyed, and frightening/frightened. Learning the exhausting/exhausted rule helps you apply the same logic to all of these.

What preposition often follows exhausted?

Exhausted is often followed by 'by' or 'from': "exhausted by the heat", "exhausted from studying all night." Exhausting does not typically take these prepositions in the same way, since it describes the cause rather than a reaction.

How can I remember exhausting vs exhausted?

Remember: -ING is for the thing that tires you (like a long hike is exhausting); -ED is for how you feel afterwards (you are exhausted). Picture the activity doing the 'ing' action to you, leaving you in the 'ed' state.