"Alt" is a short form of "alternative" and it refers to something that is different or unconventional compared to the mainstream. It can describe alternative music, fashion, or ideas that go against the norm. Full definition
We even managed to get some time with the game during our computer lessons and we learned the magic of alt + tab early on. (thegamersparadise.com)
Browse through thousands of alt dating singles personals and locate someone that shares the same passion as of you. (myintimcity.com)
With alt coins also exploding in a bullish marketplace, people with less than honest intentions have also crowded the space, adding even more risk to the marketplace. (ccinews.net)