noun
old-fashioned way of thinking; conservative mindset
Refers to a person's character or way of thinking that is traditional, conservative, or reminiscent of an earlier era. Often used positively or neutrally to describe someone with old-school values.
祖父は昔気質で、礼儀に厳しい。
My grandfather is old-fashioned and strict about manners.
彼の仕事ぶりには昔気質な
You can sense an old-school craftsman's spirit in the way he works.
noun which may take the genitive case particle 'no', na-adjective
Used adjectivally with な or の to describe a person, attitude, or thing that is old-fashioned in a traditional, often respectable way.
あの先生は昔気質な教え方をする。
That teacher has an old-fashioned way of teaching.
この店の雰囲気は昔気質で落ち着く。
The atmosphere of this shop is old-fashioned and relaxing.