verb

fail to obey (rules, a command, or someone in authority).

around 1,000 soldiers had disobeyed orders and surrendered

defy,go against,flout,contravene,infringe,overstep,transgress,violate,fail to comply with,resist,oppose,rebel against,fly in the face of,disregard,ignore,pay no heed to,fail to observe,cock a snook at,infract,set at naught