Quadruple VS
Synonym Boundary: "曇る", "なる", "空く", "かじかむ"
All represent the core concept "become", but require precise selection.
Japanese Option A
曇る
くもる (kumoru)
N5 / CEFR
Japanese Option B
なる
なる (naru)
N4 / CEFR
Japanese Option C
空く
あく (aku)
N3 / CEFR
Japanese Option D
かじかむ
かじかむ (kajikamu)
N2 / CEFR
Quadruple VS Nuance Contrast & Social Differences
When expressing "become" in Japanese, you must carefully distinguish between "曇る", "なる", "空く", "かじかむ" based on context.
- 曇る (くもる (kumoru) - Level: N5): Maps to "to become cloudy, to cloud over" and is used when Describes the sky becoming cloudy. Opposite of 晴れる.
- なる (なる (naru) - Level: N4): Maps to "to become" and is used when An intransitive verb meaning to become or to grow into. Used with nouns.
- 空く (あく (aku) - Level: N3): Maps to "to become empty, to become available, to be vacant (intransitive)" and is used when Intransitive verb. Used for spaces becoming empty.
- かじかむ (かじかむ (kajikamu) - Level: N2): Maps to "to become numb with cold; to be benumbed with cold (e.g. hands)" and is used when Specifically describes the sensation of hands or fingers becoming stiff and difficult to move due to cold. It implies the cold has made them numb or clumsy..
Context for "曇る"
今日は朝から曇っています。
It has been cloudy since this morning.
Context for "なる"
春になると、暖かくなります。
When spring comes, it becomes warm.
Context for "空く"
席が空いたら、座ってください。
Please sit down when a seat becomes available.
Context for "かじかむ"
寒さで指がかじかんで、うまく字が書けない。
My fingers are numb with cold, so I can't write well.
Synonym Mastery Challenge
Which Japanese word perfectly fits this blank space?
Fill in the blank: "今日は朝から曇っています。" (Meaning: "It has been cloudy since this morning.")
🎉 Correct Answer!
Remember: "曇る" is correct here because it represents "to become cloudy, to cloud over" in the context: "It has been cloudy since this morning.".