つるつるtsurutsuru

1. na-adjective, no-adjective, adverb, suru verbsmooth; shiny; slick
   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.
2. na-adjective, no-adjective, adverb, suru verbslippery; greasy
3. adverb (with と)slurping (noodles)

• RelatedするするNeutralDescribes smooth gliding or quiet movement, as in 「するすると登る」; it is about fluid motion, not a smooth surface.
• RelatedさらっとNeutralDoing something easily and readily, as in 「さらっと言う」; for touch it means dry and non-sticky, while 「つるつる」 is smooth and shiny.
• RelatedスイスイNeutralLight, easy progress, as in 「スイスイ泳ぐ」; it stresses effortless movement and does not describe how a surface feels.
• AntonymザラザラNeutralA rough, gritty feel, as in 「ザラザラした壁」; the direct opposite of the smooth 「つるつる」.
• Antonym凸凹でこぼこNeutralUneven and bumpy, as in 「凸凹道」; it contrasts with 「つるつる」 in whether a surface is smooth.

Use 「つるつる」 for smooth, shiny surfaces, slippery roads or slurping noodles, as in 「つるつるの肌」. For smooth, easy movement pick 「するする」 or 「スイスイ」; 「さらっと」 is doing something readily or a dry feel; 「ザラザラ」 and 「凸凹」 are the rough, uneven opposites.

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

1. 動うごきが滑すべるようになめらかであるさま。
2. 表面ひょうめんがなめらかであるさま。