Definitions

1. adverb

in a manner characteristic of a bachelor, especially in being simple, plain, or unadorned

“The artist decorated the room in a bachelorwise style, with only a few ornaments.”

2. noun

a style or manner characteristic of a bachelor, especially in being simple, plain, or unadorned

“The designer’s bachelorwise aesthetic was reflected in the clean lines and minimalist decor of the showroom.”