Avant-garde and All the rage

Avant-garde adjective - Being or employing the latest concepts, styles, or techniques.

All the rage and avant-garde are semantically related In some cases you can use "All the rage" instead the phrase "Avant-garde" as a noun or an adjective.

Avant-garde and all the rage are semantically related in current topic. Sometimes you can use "Avant-garde" instead the phrase "All the rage" as a noun or an adjective, if it concerns topics such as latest fashion, highest level of development, in the current style.