並行(へいこう)

へいこう
noun / verb (suru)
parallel, concurrent
1. running parallel, concurrent, simultaneous
Doing multiple things at the same time or proceeding side by side. Often used for tasks, projects, or processes happening simultaneously.
二(ふた)つのプロジェクトを並行(へいこう)して進(すす)める。
Carry out two projects concurrently.
開発(かいはつ)とテスト(てすと)を並行(へいこう)して行(おこな)っている。
We're doing development and testing in parallel.
警察(けいさつ)は複数(ふくすう)の捜査(そうさ)ラインを並行(へいこう)して追(お)い、容疑者(ようぎしゃ)の特定(とくてい)を急(いそ)いだ。
The police pursued multiple lines of investigation in parallel, rushing to identify the suspect.

並行(へいこう) emphasizes doing things simultaneously or side by side.

COMMON COLLOCATIONS:

  • 並行(へいこう)して進(すす)める (proceed in parallel)
  • 並行(へいこう)して行(おこな)う (carry out concurrently)
  • 並行(へいこう)作業(さぎょう) (parallel work)
  • 並行(へいこう)輸入(ゆにゅう) (parallel import, gray market import)

CONTRAST WITH 平行(へいこう):

  • 並行(へいこう): concurrent, simultaneous (doing things side by side)
  • 平行(へいこう): geometrically parallel (lines that never meet); also 平行線(へいこうせん) (parallel lines, or figuratively, a stalemate where two sides never agree)

Related Words

Contrast: 平行(へいこう) (geometric parallel)
general
Added 2026.2.16 7:40
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