"Safer version" refers to a modified or improved version of something that is designed to reduce risks or hazards, making it less dangerous or more secure. Full definition
If you don't have a squat cage you need to limit yourself to safer versions of the basic squat like a box squat or dumbbell squats. (scoobysworkshop.com)
I've been excited to see how your taste safe version turned out! (powerfulmothering.com)
Black skinny jeans and a basic sweater are probably the most safe version. (styleappetite.com)