Casual vs Part-time

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

Casual

Top 2,000 (common)B2adjective

Part-time

Top 1,000 (very common)B2
Most common: Part-time
 CasualPart-time
Pronunciation🇬🇧 //ˈkæʒ.əl//🇺🇸 //ˈkæʒ.uəl//🇬🇧 /["/ˌpɑːt ˈtaɪm/"]/🇺🇸 /["/ˌpɑːrt ˈtaɪm/"]/
MeaningSomething relaxed or informal.Working for only part of the day or week, not full-time.
ExampleShe wore a casual dress to the picnic.She's looking for a part-time job.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelB2B2
Part of speechadjective
Collocationscasual clothes, casual conversation, casual relationshippart-time job, part-time work, part-time employee, part-time position, part-time schedule
Antonymsformal, seriousfull-time, permanent
Common mistakesConfused with 'informal' – they have similar meanings but may not be interchangeable., Using 'casual' in overly formal situations., Misunderstanding the context – 'casual' often refers to behavior or appearance.Using 'part-time' as a verb instead of an adjective., Confusing with 'full-time' and not understanding the difference in hours., Saying 'part time' instead of 'part-time' (should be hyphenated).
Usage notesUse 'casual' to describe informal settings or clothing. Avoid in formal contexts.Often used in job contexts. Appropriate in both casual and formal settings. Not suitable when discussing full-time positions.

Frequently asked questions: Casual vs Part-time

What's the difference between Casual and Part-time?

Casual: Something relaxed or informal. Part-time: Working for only part of the day or week, not full-time.

Which is more common: Casual and Part-time?

Part-time is the most common in everyday English.

Are Casual and Part-time the same CEFR level?

Casual: B2, Part-time: B2 on the CEFR scale.

Can you show an example of each?

Casual: She wore a casual dress to the picnic. Part-time: She's looking for a part-time job.

Can I use Casual and Part-time interchangeably?

Not always. Casual and Part-time 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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