1.
side by side; in a row; lined up horizontally
The physical arrangement of people or things placed next to each other in a horizontal line.
横並びに座る。
To sit side by side.
子どもたちが横並びで写真を撮った。
The children took a photo lined up side by side.
選手たちが横並びでスタートラインに立った。
The athletes stood side by side at the starting line.
2.
uniform conformity; keeping pace with others; herd mentality
A tendency for organizations, companies, or individuals to maintain uniformity by doing the same thing as everyone else, avoiding standing out. Often used critically.
横並び意識が強い。
The conformity mentality is strong.
各社が横並びの価格を設定している。
Each company has set uniform prices.
横並びの発想を捨てて、独自の戦略を打ち出すべきだ。
We should abandon the herd mentality and put forward an original strategy.
From 横 (horizontal, side) + 並び (lining up). The literal sense of physical side-by-side arrangement extends metaphorically to describe conformist behavior.
USAGE:
Sense 2 is frequently used in business and social commentary to criticize Japanese organizational culture where companies or institutions copy each other rather than innovate. Often appears with 意識 (awareness/mentality) as 横並び意識.
COMMON COLLOCATIONS:
- 横並びに並ぶ — to line up side by side
- 横並び意識 — conformity mentality
- 横並びの対応 — uniform response (doing the same as everyone else)
- 横並びを脱する — to break away from conformity
SIMILAR WORDS:
- 並列 — parallel, side by side (more technical/formal, no conformity nuance)
- 右へならえ — follow the leader, do as others do (stronger criticism of blind conformity)
- 一律 — uniform, across the board (focuses on identical treatment rather than herd behavior)