1The Japanese art of paper folding — making shapes (e.g., cranes, boxes) by folding paper.
子供たちと一緒に折り紙で鶴を作った。
I made paper cranes with the children.
授業で折り紙の基本を学んだ。
We learned the basics of origami in class.
折り紙は道具がほとんどいらないのが魅力だ。
The appeal of origami is that it requires almost no tools.
2A stamp of approval or certificate of authenticity; used in expressions like '折り紙付き' to mean guaranteed or certified.
このブランドは折り紙付きだから安心して買える。
This brand is certified/reliable, so you can buy with confidence.
彼の実績は折り紙付きだ。
His track record is well-established/guaranteed.