wear off

slowly disappear or stop having an effect

B2

What does "wear off" mean?

Something that wears off gradually loses its strength, effect, or appeal until it disappears completely. The idea is one of slow fading rather than a sudden stop — a feeling, substance, or sensation that was once noticeable simply ceases to be felt over time. It is most commonly used when talking about the effects of medication, drugs, or substances (such as a painkiller or anaesthetic losing its potency), but it also applies naturally to emotional or psychological states, such as excitement, novelty, or enthusiasm that fades after an initial period. The subject of the verb is always the effect or feeling itself — never a person — which makes it different from many other phrasal verbs. You will often find it in sentences built around time words like 'once', 'when', and 'after', because the wearing off of an effect is typically a turning point that leads to something else.

Examples

How to use it

subject (effect/feeling/substance) + wear off

The most common structure: the effect, feeling, or substance is the subject, and the verb is used with no object.

The excitement of starting a new job usually wears off after the first few weeks.

once/when/after + subject + wear off

The phrasal verb frequently appears in subordinate time clauses, marking a turning point when an effect ends.

Once the caffeine wore off, she felt exhausted and struggled to concentrate.

subject + be + wearing off

The present continuous emphasises that the process of disappearing is actively happening right now.

The anaesthetic is wearing off, so let the doctor know if you start to feel any pain.

subject + will + wear off

The simple future is often used to reassure someone that an effect is temporary and will not last.

Don't worry — the dizziness will wear off within an hour or two.

subject + have/has + worn off

The present perfect indicates that the effect has already fully disappeared by the time of speaking.

The initial buzz of the new fitness routine has worn off, but she still goes every week.

Common Collocations

the effect wears offthe painkiller wears offthe novelty wears offthe anaesthetic wears offthe excitement wears offthe buzz wears off

Common Mistakes

Using it transitively

Wear off is always intransitive — the subject must be the effect or substance, and no object can follow the verb. A person can never be the subject, and you cannot say something 'wore off' a feeling as if the effect is acting on something else.

✗ The medicine wore off the pain after an hour.
✓ The pain came back after the medicine wore off.
Confusing it with 'wear out'

'Wear off' describes an effect or feeling gradually disappearing, while 'wear out' means something becomes damaged or unusable through repeated use, or that a person becomes completely exhausted. The two are not interchangeable.

✗ The novelty of the new game wore out after a week.
✓ The novelty of the new game wore off after a week.
Using a person as the subject

The subject of 'wear off' must always be an abstract noun — an effect, feeling, or substance. It is never a person who wears off.

✗ She wore off after the long meeting.
✓ Her enthusiasm wore off after the long meeting.

Usage

This phrasal verb is neutral and works in both spoken and written English. It is especially common in medical and everyday contexts, and frequently appears after time conjunctions like 'once', 'when', and 'after'.

Frequently Asked Questions

Can 'wear off' be used in the passive?

No — because 'wear off' is intransitive and never takes an object, it cannot be made passive. You cannot say 'the pain was worn off'. Instead, the effect or feeling is always the subject of an active sentence, for example: 'the pain wore off gradually'.

Does 'wear off' only describe physical effects like medicine, or can I use it for emotions too?

It works naturally for both. While it is very common in medical contexts — 'the anaesthetic wore off', 'the painkiller wore off' — it is equally natural with feelings and psychological states: 'the excitement wore off', 'the novelty wore off', 'the charm wore off'. The key is that the subject is always the effect itself, whether physical or emotional.

Is 'once the novelty wears off' a fixed phrase?

It is not fixed in the way an idiom is, but it is an extremely common chunk that native speakers use very naturally and frequently. You will hear it in conversation, journalism, and reviews whenever someone wants to describe enthusiasm or interest that fades after an initial period. It is worth learning as a ready-made phrase.

Can I use 'wear off' in the imperative, like 'wear off quickly!'?

This would sound very unnatural in English. Because the subject of 'wear off' is always an effect or substance — not a person receiving an instruction — it does not work as a command. Instead, you would express this wish using a different structure, such as 'I hope it wears off quickly' or 'It should wear off soon'.

What kinds of things can 'wear off'?

Typical subjects include medical substances (painkiller, anaesthetic, sedative, medication), other substances with a temporary effect (caffeine, alcohol), and feelings or psychological states (excitement, novelty, enthusiasm, shock, buzz, charm). What they all have in common is that they produce a noticeable effect that eventually fades to nothing — rather than something physically breaking down, which would be 'wear out'.

Ready to practise?

Practise 1,000+ English phrasal verbs with interactive gap-fill exercises.

Start Practising →