What is the difference between "気軽に", "がっくり", "しゅんとする", "落ち込む"?

"気軽に" means "feel free to; without hesitation; casually; readily", "がっくり" means "feel dejected; lose heart; slump; collapse", "しゅんとする" means "to feel dejected, to look crestfallen, to droop", "落ち込む" means "to feel down, be depressed".

Quadruple VS

Synonym Boundary: "気軽に", "がっくり", "しゅんとする", "落ち込む"

All represent the core concept "feel", but require precise selection.

Japanese Option A

気軽に

きがるに (kigaruni)

N3 / CEFR

Japanese Option B

がっくり

がっくり (gakkuri)

N2 / CEFR

Japanese Option C

しゅんとする

しゅんとする (shun to suru)

N2 / CEFR

Japanese Option D

落ち込む

おちこむ (ochikomu)

B2 / CEFR

Quadruple VS Nuance Contrast & Social Differences

When expressing "feel" in Japanese, you must carefully distinguish between "気軽に", "がっくり", "しゅんとする", "落ち込む" based on context.

気軽に (きがるに (kigaruni) - Level: N3): Maps to "feel free to; without hesitation; casually; readily" and is used when 遠慮したり、かしこまったりせず、軽やかで自由な様子を表す副詞。.
がっくり (がっくり (gakkuri) - Level: N2): Maps to "feel dejected; lose heart; slump; collapse" and is used when 期待外れやショックで、がっかりと気落ちする様子や、体が一気に崩れ落ちる様子を表す。/ Expresses a sudden feeling of disappointment, shock, or despair, often accompanied by a physical slump or drop. Can also describe a sudden collapse..
しゅんとする (しゅんとする (shun to suru) - Level: N2): Maps to "to feel dejected, to look crestfallen, to droop" and is used when An onomatopoeic expression describing a sudden feeling of sadness, disappointment, or dejection, often visible in one's posture, expression, or mood. It can also describe plants drooping..
落ち込む (おちこむ (ochikomu) - Level: B2): Maps to "to feel down, be depressed" and is used when Essential structural term in CEFR B2 vocabulary syllabus..

Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!

Context for "気軽に"

困ったことがあったら、気軽に相談してください。

If you have any problems, please feel free to consult me.

Context for "がっくり"

試験に落ちて、彼はがっくりと肩を落とした。

He failed the exam and slumped his shoulders in disappointment.

Context for "しゅんとする"

先生に叱られて、子供はしゅんとしてしまった。

The child became crestfallen after being scolded by the teacher.

Context for "落ち込む"

毎日、日本語を練習するために落ち込む。

Every day, I feel down, be depressed to practice Japanese.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "困ったことがあったら、＿＿＿相談してください。" (Meaning: "If you have any problems, please feel free to consult me.")

🎉 Correct Answer!

Remember: "気軽に" is correct here because it represents "feel free to; without hesitation; casually; readily" in the context: "If you have any problems, please feel free to consult me.".