con·found 
/kənˈfaʊnd/ verb
con·founds; con·found·ed; con·found·ing /kənˈfaʊnd/ verb [+ obj] 1 : to surprise and confuse (someone or something)
▪ The strategy confounded our opponents. ▪ The murder case has confounded investigators. — often used as (be) confounded ▪ Investors were confounded by the conflicting reports. 2 : to prove (someone or something) wrong
▪ The school's team confounded all predictions and won the game. ▪ The success of the show confounded critics. 3 informal + old-fashioned — used as an interjection to express anger or annoyance ▪ Confound it! I can't find my keys!
▪ The strategy confounded our opponents. ▪ The murder case has confounded investigators. — often used as (be) confounded ▪ Investors were confounded by the conflicting reports.
▪ The school's team confounded all predictions and won the game. ▪ The success of the show confounded critics.
