下側|したがわshitagawa

1. no-adjectiveunderside
   しかもメモの下側したがわにあるのは汚よごれじゃなく・・・け、血判けっぱん！？↗

   Moreover, what's on the bottom of the memo isn't dirt but a ... b-blood seal!?

• Synonym底そこNeutralNeutral word for the bottom of a container or of terrain, also the sole of a shoe; it stresses the very lowest part.
• Synonym底面ていめんNeutralNeutral term for the bottom face of an object, also the base of a solid figure; it stresses the lowest face itself rather than the lower side in general.
• Synonym下面かめんWrittenWritten/formal prose term for the face turned downward, often technical; in everyday speech 「下側」 is the usual choice.
• Antonym上側うわかわNeutralThe upper side of an object; the direct opposite of 「下側」.

Use 「下側」 for the lower side of an object. For the bottommost face say 「底面」, and for the bottom of a container or terrain 「底」; 「下面」 is written/technical. 「上側」 is its opposite, the upper side.

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

1. 下したの側がわ。下方かほう。