mistake - error traffic sign on blue sky

background blooper blue blunder bug bumble bungle clanger defect erratum error error-prone fail false fault faulty faux flaw flawed fumble gaff gaffe glitch goof inaccuracy incorrect inexact inexactness lapse mess mess-up misapprehension miscalculation miscue misdeed mishap misinterpretation misjudgment misprint misstatement misstep mistake misunderstanding move muddle muff oversight pas sign sky slip slip-up stumble tongue traffic typo wrong