Behaviour vs Performance

When to use each in English, with meaning, register, and examples.

Behaviour

Top 2,000 (common)A2noun

Performance

Top 1,000 (very common)B1noun
Most common: Performance
 BehaviourPerformance
Pronunciation🇬🇧 /["/bɪˈheɪvjə(r)/"]/🇺🇸 /["/bɪˈheɪvjər/"]/🇬🇧 /["/pəˈfɔːməns/"]/🇺🇸 /["/pərˈfɔːrməns/"]/
MeaningThe way someone acts or behaves.How well someone does something, especially in a play or a competition.
ExampleHer behaviour at the party was quite friendly and welcoming.The performance of the team improved significantly after the new coach was hired.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelA2B1
Part of speechnounnoun
Collocationsexemplary, good, acceptable, affect, control, influence, pattern, modification, issues, behaviour towards/​toward, behaviour and attitudes, be on your best behaviour, a code of behaviour, exemplary, good, acceptable, affect, control, influence, pattern, modification, issues, behaviour towards/​toward, behaviour and attitudes, be on your best behaviour, a code of behaviourlive, public, evening, give, put on, stage, feature somebody/​something, art, poetry, artist, in performance, brilliant, convincing, dazzling, deliver, give, produce, benchmark, indicator, level, performance as, performance from, performance on, a level of performance, a measure of performance, a standard of performance, high, maximum, optimal, affect, influence, assess, boost
Antonymsmisbehavior, disobediencefailure, inactivity
Common mistakesConfused with 'behavior' vs 'behaviour' (UK vs US spelling)., Using it as a verb; it's only a noun., Mixing it up with 'conduct' when the context doesn't fit.Confused with 'performancer,' which is incorrect., Using 'performance' as a verb instead of a noun., Confusing types of performance, like sports vs. arts.
Usage notesUsed in both formal and informal contexts. In formal settings, you might discuss 'behavior' in psychology or education. Avoid using in casual conversations where simpler terms like 'acting' may fit better.Use 'performance' when discussing shows, competitions, or work output. It's neutral, suitable for both casual and formal settings, but avoid in very casual contexts.

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Performance

Frequently asked questions: Behaviour vs Performance

What's the difference between Behaviour and Performance?

Behaviour: The way someone acts or behaves. Performance: How well someone does something, especially in a play or a competition.

Which is more common: Behaviour and Performance?

Performance is the most common in everyday English.

Which is more advanced: Behaviour and Performance?

Performance is the highest level, at B1, on the CEFR scale.

Are Behaviour and Performance the same CEFR level?

Behaviour: A2, Performance: B1 on the CEFR scale.

What part of speech are Behaviour and Performance?

Behaviour: noun, Performance: noun.

Can you show an example of each?

Behaviour: Her behaviour at the party was quite friendly and welcoming. Performance: The performance of the team improved significantly after the new coach was hired.

Can I use Behaviour and Performance interchangeably?

Not always. Behaviour and Performance are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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