mishandle

1 ENTRIES FOUND:
mishandle /ˌmɪsˈhændl̟/ verb
mishandles; mishandled; mishhandling
mishandle
/ˌmɪsˈhændl̟/
verb
mishandles; mishandled; mishhandling
Britannica Dictionary definition of MISHANDLE
[+ object]
1 
: to deal with or manage (something) badly or incorrectly
2 
: to touch or treat (something) in a way that causes damage
3 
sports : to fail to catch or hold (a ball) properly

— mishandling

noun [noncount]