also: ハイクオリティー
Loanword from English; used as a noun or na-adjective to describe something of superior quality.
This product is high quality and has a good reputation.
We provide high-quality service.
Variant with long vowel mark; less common but still used.
Spelling with interpunct; mainly seen in stylized contexts.
Rare stylized variant with interpunct and long vowel mark.
Borrowed from English 'high quality'.