hilt 
/ˈhilt/ noun
plural hilts /ˈhilt/ noun [count] : the handle of a sword or dagger
to the hilt
: as much as possible : to the greatest possible limit or extent
▪ The farm was mortgaged (up) to the hilt. ▪ She played the role to the hilt.
▪ The farm was mortgaged (up) to the hilt. ▪ She played the role to the hilt.
