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Synonym Comparison

The Nuance Difference: "大変" vs "もちろん"

Master the exact conceptual boundary between these Japanese terms.

Japanese Term A

大変

たいへん (taihen)
N5 / CEFR Syllabus
VS
Japanese Term B

もちろん

もちろん (mochiron)
N4 / CEFR Syllabus

Nuance Contrast & Social Differences

In Japanese, both 大変 and もちろん are often translated to English but have distinct usages. 大変 (たいへん (taihen)) represents "tough, difficult, serious (na-adjective); very, extremely (adverb)" (Level: N5) and typically represents Can be an な-adjective. On the other hand, もちろん (もちろん (mochiron)) translates to "of course, certainly" (Level: N4) and is used for An adverb used to express agreement, confirmation, or certainty without doubt. Can be used alone as an exclamation.. Mixing these up can sound unnatural to native Japanese speakers!
Bilingual Sentence for "大変"
この仕事は時間がかかって大変です。
This job takes a long time and is tough.
Bilingual Sentence for "もちろん"
「手伝ってくれますか?」「もちろん!」
"Will you help me?" "Of course!"

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "この仕事は時間がかかって ___ です。" (Meaning: "This job takes a long time and is tough.")
🎉 Correct Answer!

Remember: "大変" fits here because it represents "tough, difficult, serious (na-adjective); very, extremely (adverb)" in the context: "This job takes a long time and is tough.".

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