noun which may take the genitive case particle 'no', noun
third-rate; third-class
Used to describe something of low quality or rank, often in contrast to 一流 (first-rate) and 二流 (second-rate). Common in evaluations of skill, products, or status.
彼は三流の歌手だが、努力は認められている。
He is a third-rate singer, but his effort is recognized.
このホテルは三流
This hotel only offers third-class service.