: suspicious, suspect
… things became a bit sus when there was a dubious fire on the premises …—Shannen Findlay Last week, American Airlines took its turn, canceling over 1,600 flights. Weather was dutifully blamed again, along with staffing shortages. But the latter excuse is, as the kids say, pretty sus. Airlines that accepted federal pandemic relief money (and they all did) were barred from laying off workers.—Amy Roberts I used to think that at-home hair colors and dyes were kind of sus, and that there was absolutely no way you could get salon-level color from a box.—Ama Kwarteng … she has not questioned how De Bruijn was able to swim that fast, at least not publicly. Others have. "Pretty suss" is the way [Australia's Susie O'Neill] described it …—Jack McCallum
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!