Slikely Share definition Flag A combination between "most" and "likely". To use in a phrase if some one asks you are able to do something. "Are you able to go to the party tonight?""Slikely, but I'm not fully sure yet." Slikely by TheR3B3L June 21, 2009 0 0 Get merch Get the Slikely mug. Buy Now — $32.95 See more merch