シーソー

しーそー
noun
seesaw; teeter-totter
leisure
1. seesaw; teeter-totter
A piece of playground equipment consisting of a long plank balanced at its center, on which two people sit at opposite ends and rise and fall alternately. From English "seesaw."
公園(こうえん)でシーソーに乗(の)った。
I rode the seesaw at the park.
妹(いもうと)とシーソーで交互(こうご)に上(あ)がったり下(さ)がったりした。
My sister and I went up and down in turns on the seesaw.
体重(たいじゅう)が違(ちが)うと、シーソーはうまく釣(つ)り合(あ)わない。
When the weights differ, a seesaw doesn't balance well.

A common piece of playground equipment, alongside 滑(すべ)り台(だい) (slide) and ぶらんこ (swing). The word is also used figuratively for things that go alternately up and down, as in シーソーゲーム (a back-and-forth, see-sawing contest).

Common collocations

  • シーソーに乗(の)る: to ride a seesaw
  • シーソーで遊(あそ)ぶ: to play on a seesaw
  • シーソーゲーム: a see-saw game (a closely contested, back-and-forth match)

Related Words

Related: ぶらんこ (swing (playground equipment))
Related: 滑(すべ)り台(だい) (slide (playground equipment))
Related: 砂場(すなば) (sandbox, sandpit)
general
Added 2026.6.30 3:19 · Revised 2026.9.2 13:02
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