ありきたりの (translations)→ anonymous common conservative garden-variety general indifferent mundane normal old ordinary plain standard unexciting
くだらない (translations)→ awful bad bosh dumb flippin frivolous frothy insignificant pointless racket ridiculous silly slushy trivial weedy
だらしのない (translations)→ flippant slovenly
はしたない (translations)→ dirty foolish terrible
下品な (translations)→ blackguard crass crude degrading immodest indelicate mean rude sordid
失礼な (translations)→ improper uncivil
粗野な (translations)→ coarse countrified gruff peasant
俗っぽい (translations)→ unrefined