[ noun ] the trait of giving little thought to danger

Used in print

(Kenneth Allsop, The Bootleggers and Their Era...)

These booze customers had until then been buying their supplies from the Sheldon , Saltis-McErlane , and Druggan-Lake gangs , and now they were competing for trade with the Torrio-Capone saloons ; once_again O_'_Banion 's brash recklessness had caused a proliferation of ill_will .