Achievement vs Completion

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

 AchievementCompletion
MeaningSomething you have done successfully.The act of finishing something.
CEFR levelB1B2
Part of speechnounnoun
Usage notesUse 'achievement' in both formal and informal settings. It's suitable for discussions about school, career, or personal goals, but may not fit casual conversations about everyday events.Use 'completion' in contexts where something is finished. Common in academic or formal settings, but less so in casual conversation. Be careful in using it in informal settings where simpler words may work better.

Frequently asked questions: Achievement vs Completion

What's the difference between "Achievement" and "Completion"?

"Achievement" means: Something you have done successfully. "Completion" means: The act of finishing something.

When should I use "Achievement" and "Completion"?

They can all be used in everyday English.

Are "Achievement" and "Completion" the same CEFR level?

"Achievement" is at B1, "Completion" is at B2 on the CEFR scale.

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