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Synonym Comparison

The Nuance Difference: "いる" vs "もちろん"

Master the exact conceptual boundary between these Japanese terms.

Japanese Term A

いる

いる (iru)
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 いる and もちろん are often translated to English but have distinct usages. いる (いる (iru)) represents "to exist (animate), to be (for people/animals)" (Level: N5) and typically represents Used for living beings. 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 "いる"
部屋に猫がいます。
There is a cat in the room.
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: "部屋に猫がいます。" (Meaning: "There is a cat in the room.")
🎉 Correct Answer!

Remember: "いる" fits here because it represents "to exist (animate), to be (for people/animals)" in the context: "There is a cat in the room.".

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