audio
verb
bungle - Carry out a task clumsily or incompetently, leading to failure or an unsatisfactory outcome
noun
Picture
Mix-up - An error resulting from things being wrongly arranged or identified.
botch - Carry out a task badly or carelessly
nounverb noun
Slip - A small mistake or accident, often due to carelessness.
gaffe - An unintentional act or remark causing embarrassment to its originator; a blunder
adjective
spurious - False and incorrect
dud - A thing that fails to work properly or is otherwise unsatisfactory or worthless
aberration - A departure from what is normal, usual, or expected.
blurt - Say (something) suddenly and without careful consideration
Erroneous - Misleading or false in belief, statement, or action.
nounverb verb
stumble - Trip or momentarily lose one's balance; almost fall
Inadvertent - Not deliberately planned or intended.