Behavior vs Performance

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

Behavior

Top 1,000 (very common)B1

Performance

Top 1,000 (very common)B1noun
 BehaviorPerformance
Pronunciation🇬🇧 //bɪˈheɪvjər//🇺🇸 //bɪˈheɪvjɚ//🇬🇧 /["/pəˈfɔːməns/"]/🇺🇸 /["/pərˈfɔːrməns/"]/
MeaningThe way a person or animal acts.How well someone does something, especially in a play or a competition.
ExampleHer behavior during the meeting was very professional.The performance of the team improved significantly after the new coach was hired.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB1B1
Part of speechnoun
Collocationsacceptable behavior, strange behavior, modifying behavior, social behavior, behavior patternlive, 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
Antonymsmisconduct, bad behaviorfailure, inactivity
Common mistakesConfused with 'behaviour' (British spelling), Using it as a verb instead of a noun, Mixing up with 'conduct' or 'deportment' without clear contextConfused with 'performancer,' which is incorrect., Using 'performance' as a verb instead of a noun., Confusing types of performance, like sports vs. arts.
Usage notesUsed to describe actions or conduct, often in psychological or social contexts. Avoid in very informal speech.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.

Frequently asked questions: Behavior vs Performance

What's the difference between Behavior and Performance?

Behavior: The way a person or animal acts. Performance: How well someone does something, especially in a play or a competition.

Are Behavior and Performance the same CEFR level?

Behavior: B1, Performance: B1 on the CEFR scale.

Can I use Behavior and Performance interchangeably?

Not always. Behavior 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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