drag out
• unnecessarily prolong something.
• "he dragged out the process of serving them"
Similar:
prolong,
protract,
draw out,
stretch out,
spin out,
string out,
make something go on and on,
extend,
extend the duration of,
lengthen,
carry on,
keep going,
keep alive,
continue,
wire-draw,
• extract information from someone against their will.
• "the truth was being dragged out of us"