one-size-fits-all 
adjective informal
Suitable for or used in all circumstances: people want greater choice—the end of a one-size-fits-all approach...
- The one-size-fits-all approach can never accommodate the vast differences in the intellectual capacity of individual pupils.
- ‘It is right and proper that we don't take a one-size-fits-all approach,’ he said.
- The concern about Trips is that it is too much of a one-size-fits-all approach that works to the detriment of developing nations.
Origin
1970s (originally denoting a garment designed to fit people of all sizes).
- autopiano
- autopilot
- autopista
- autopisty
- autoplastic
- autoplasty
- autoplate
- autoplate machine
- autoplay
- autoploid
- autopoiesis
- autopoietic
- autopoisoning
- auto pollution
- autopolyploid
- autopolyploidy
- auto-portrait
- autoportraiture
- autoproteolysis
- autoprotolysis
- autopsic
- autopsical
- autopsy
- autopsychic
- autopsychography