hipsterish

As a noun hipsterism

is hipness.

As an adjective hipsterish is

like a hipster; (often pretentiously) trendy.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective hipsterish is

like a hipster; (often pretentiously) trendy.

As adjectives the difference between trendy and hipsterish

is that trendy is of, or in accordance with the latest trend, fashion or hype while hipsterish is like a hipster; (often pretentiously) trendy.

As a noun trendy

is a trendy person.

As adjectives the difference between pretentious and hipsterish

is that pretentious is marked by an unwarranted claim to importance or distinction while hipsterish is like a hipster; (often pretentiously) trendy.