lookless en · ADJ
Etymology
From look + -less.
Meanings
-
(not-comparable) Without a look, or visual appearance.
Although XAML controls are supposed to be lookless by nature and have an implementation independent of their actual visuals, many controls "cheat" a little and expose a TemplateSettings property […]
2015, Adam Nathan, Universal Windows Apps with XAML and C# Unleashed, page 516: