TAS /ˈtæs/noun 5verb 1forms 6 noun5 •(slang, figurative) A particularly good play in a speedrun. •Abbreviation of Tasmania: a state of Australia. •Acronym of tool-assisted speedrun. •Acronym of tool-assisted superplay. •Initialism of true airspeed. verb1 •To create or contribute to a tool-assisted speedrun or superplay. formsTASed · TASing · TASes · TAS's · TASs · tasses