類義語対比
開通
VS
輻輳
「開通」と「輻輳」の違いと正しい使い分け
単語A
開通
意味・対訳
opening (of a road, railway, tunnel, etc. for traffic or use)
読み方
かいつう (kaitsuu)
対象レベル
N2
実用例文
新しい高速道路が来月開通する予定だ。
The new highway is scheduled to open next month.
単語B
輻輳
意味・対訳
congestion, traffic jam, convergence
読み方
ふくそう (fukusou)
対象レベル
N1
実用例文
ゴールデンウィークには、高速道路が大変輻輳します。
During Golden Week, highways experience significant congestion.
どっちを使う？使い分けクイズ
示された日本語表現（対訳）に合致する適切な単語を選んでください。
この文脈（opening (of a road, railway, tunnel, etc. for traffic or use)）に合うのはどちらの単語ですか？
🎉 正解 / Correct!
使い分け解説:
- 開通: Used when an infrastructure (like a road, railway, bridge, tunnel, or communication line) becomes operational and accessible for public use.
- 輻輳: Often used in technical or formal contexts, especially for traffic, network, or data congestion. Less common in casual conversation. It describes a state where many things gather in one place, leading to a bottleneck or overwhelming amount.
- 開通: Used when an infrastructure (like a road, railway, bridge, tunnel, or communication line) becomes operational and accessible for public use.
- 輻輳: Often used in technical or formal contexts, especially for traffic, network, or data congestion. Less common in casual conversation. It describes a state where many things gather in one place, leading to a bottleneck or overwhelming amount.
日本語の語彙表現を圧倒的にマスターしたいですか？
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