https://www.wordhippo.com/what-is/the-opposite-of/cottoned_on_to.html
Antonyms for cottoned on to include missed, misunderstood, misapprehended, misconstrued, misinterpreted, miscomprehended, misconceived, misknew, misknown and...
oppositecottoned
https://goodonyou.eco/organic-for-the-planet-have-you-cottoned-on-yet/
When it comes to sustainability claims for people and the planet you can trust and trace, organic cotton is hard to beat. Here's what you need to know about it...
organicplanetcottonedyetgood