mishandle

As a verb mishandle

is to handle badly, causing physical injury.

As an adjective undefined is

lacking a definition or value.

As verbs the difference between muff and mishandle

is that muff is (sport) to drop or mishandle (the ball, a catch etc); to play badly while mishandle is to handle badly, causing physical injury.

As a noun muff

is (lb) a piece of fur or cloth, usually with open ends, used for keeping the hands warm or muff can be (colloquial) a fool, a stupid or poor-spirited person or muff can be (slang) a muffin.

As verbs the difference between misoperate and mishandle

is that misoperate is (usually|intransitive) to operate incorrectly while mishandle is to handle badly, causing physical injury.

As verbs the difference between tamper and mishandle

is that tamper is to alter by making unauthorized changes; to meddle while mishandle is to handle badly, causing physical injury.

As a noun tamper

is a person or thing that tamps.

As verbs the difference between abuse and mishandle

is that abuse is while mishandle is to handle badly, causing physical injury.

As verbs the difference between misuse and mishandle

is that misuse is to use (something) incorrectly while mishandle is to handle badly, causing physical injury.

As a noun misuse

is an incorrect, improper or unlawful use of something.

As verbs the difference between mishandle and mishandled

is that mishandle is to handle badly, causing physical injury while mishandled is (mishandle).

As verbs the difference between mishandle and misbehave

is that mishandle is to handle badly, causing physical injury while misbehave is to act or behave in an inappropriate, improper, incorrect, or unexpected manner.

As a verb mishandle

is to handle badly, causing physical injury.

As a noun mishandler is

one who mishandles.