noun-modifying (irregular)
eccentric; unconventional; peculiar; original
Describes a person, idea, style, or thing that is distinctly different from the norm in a striking or quirky way. Often carries a slightly positive or neutral nuance of uniqueness rather than outright strangeness.
He has an eccentric fashion sense.
This shop has a lot of peculiar miscellaneous goods.
Compound of 一風 (いっぷう, 'one style' or 'a touch') and the past form of 変わる (かわる, 'to change'), literally 'changed in a certain way'. The phrase is used attributively to mean 'of a different stripe'.