バイパスbaipasu

1. noun, suru verbbypass

• Related回り道まわりみちNeutralA longer way round, also figurative for roundabout approaches; it stresses the extra distance, while 「バイパス」 is a road built to avoid congestion or a medical bypass.
• Related迂路うろWrittenA written, formal word for a detour road, rarely used; in everyday speech say 「回り道」, and a purpose-built bypass road is 「バイパス」.
• Antonym直通ちょくつうNeutralGoing straight through with no transfer or relay en route; it concerns how things connect, and contrasts with 「バイパス」 only loosely as through versus around.
• Antonym本線ほんせんNeutralThe main line of a railway or similar; it opposes 「バイパス」 only as trunk route versus diversion, and a bypass may itself become the main line.

Use 「バイパス」 for a road built to skirt a congested urban area or for a surgical bypass as in 「バイパス手術」; for simply taking a longer way round, say 「回り道」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 市街地しがいちや混雑こんざつする道路どうろを避さけ、迂回うかいするようにつくられた道路どうろ。
2. 何なんらかの原因げんいんにより血管けっかんに閉塞へいそくする部分ぶぶんが生しょうじたときに人工じんこうのものや本人ほんにんの血管けっかんを使つかってつくる代かわりの血管けっかん。