Uniform; standardized—describing something made or kept the same across cases, lacking variation or individuality.
画一的なルールだけでは創造性は育たない。
Creativity won't develop with only uniform rules.
商品のパッケージが画一的で目立たない。
The product's packaging is so uniform it doesn't stand out.
画一的な思考を変えるには多様な経験が必要だ。
To change uniform thinking, diverse experiences are necessary.