misdeed(n = noun.act) misbehavior, misbehaviour - improper or wicked or immoral behavior;
is a kind of actus reus, misconduct, wrongdoing, wrongful conduct
has particulars: delinquency, juvenile delinquency, devilment, devilry, deviltry, mischief, mischief-making, mischievousness, rascality, roguery, roguishness, shenanigan, ruffianism, familiarity, impropriety, indecorum, liberty, abnormality, irregularity, impropriety, indecency, indiscretion, peccadillo, infantilism
An evil deed; a wicked action. [1913 Webster]
"Evils which our own misdeeds have wrought." [1913 Webster]
misdeed, n. an evil deed, a wrongdoing; a crime.
Etymology:
OE misd{aelig}d (as MIS-(1), DEED)
N guilt, guiltiness, culpability, criminality, criminousness, deviation from rectitude, sinfulness, misconduct, misbehavior, misdoing, misdeed, malpractice, fault, sin, error, transgression, dereliction, delinquency, indiscretion, lapse, slip, trip, faux pas, peccadillo, flaw, blot, omission, failing, failure, break, bad break!, capital crime, delictum, offense, trespass, misdemeanor, misfeasance, misprision, malefaction, malfeasance, malversation, crime, felony, enormity, atrocity, outrage, deadly sin, mortal sin, deed without a name, corpus delicti, guilty, to blame, culpable, peccable, in fault, at fault, censurable, reprehensible, blameworthy, uncommendable, illaudable, weighed in the balance and found wanting, exceptionable, in flagrante delicto, red-handed, in the very act, with one's hand in the cookie jar, cui prodest scelus in fecit, culpam paena premit comes, O would the deed were good!, responsibility prevents crimes se judice nemo noce, so many laws argues so many sins.