How to say "slick" in Japanese

• つるつるCommon
  na-adjective, no-adjective, adverb, suru verbA mimetic word for slick in the tactile sense: a surface that feels smooth and slippery, with no grip or roughness. Natural for a polished floor, a slippery slope, or sleek hair.
  私の父ちちはビリヤードの玉たまのように頭あたまがつるつるだ。↗

  My father is as bald as a billiard ball.
• つやつやCommon
  adverb (with と), suru verb, no-adjectiveCovers slick in the visual sense of glossy: a surface that gleams and catches the light. Use it when the point is luster rather than feel, as with polished shoes or glossy hair.

Use 「つるつる」 when slick describes a smooth, slippery texture you can feel, and 「つやつや」 when it describes a glossy, gleaming surface you can see; both are common words.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• つるつるsmooth
• つやつやglossy
• スマートskilful
• ちゅるちゅるsmooth
• 調子がいいちょうしがいいglib
• 調子のいいちょうしのいいglib