Refers to a continuous line of houses along a street; often used in descriptive or literary contexts.
In the old townscape, rows of traditional houses remain.
Used when something applies to all houses in an area, often with verbs like 回る or 訪ねる.
新聞配達は軒並みに新聞を届ける。
The newspaper delivery person delivers papers to every house.
all; across the board; without exception
Adverbial use meaning that something applies to all members of a group or all items in a set; often used in news or business contexts.
今年のボーナスは軒並みカットされた。
Bonuses were cut across the board this year.
主要株価指数が軒並み下落した。
Major stock indexes fell across the board.
I visited every house in this area to conduct a survey.
The prices of vegetables rose across the board.
This year, corporate earnings were poor across the board.