Abhorrent behaviour; a loathsome or wicked act or practice; a detestable vice. Also in weakened sense: a disagreeable action or practice.

Misconduct, misbehaviour, wrongdoing; an instance of this. Obsolete.

The action of mislead, v. (in various senses); (occasionally) an instance of this.

Misconduct. Cf. misuse, v. 3. Obsolete.

Misconduct; offensive or sinful behaviour. Also: wrongful or improper bearing of arms.

(a) Lack of proper regulation. (b) Misconduct.

Mismanagement, misgovernment; disorder.

Error, sin.

Unruly behaviour; misconduct. Also (occasionally): an instance of this. Obsolete.

The action of behaving badly; improper conduct, misbehaviour. Also: an instance of this, a piece of bad behaviour (now rare).

†(a) Evil conduct; misbehaviour; disorder. Obsolete. (b) Misrule; mismanagement; ill-treatment. (c) Misdirection.

Bad behaviour, improper conduct. Also as a count noun: an instance of this; a particular piece or type of bad behaviour (now rare).

Misconduct, misdemeanour; an instance of this.

Misdirection, mismanagement, misgovernment. Formerly also: †misconduct (obsolete).

gen. Bad behaviour, misconduct.

Disorder; spec. lack or breach of order; confusion; disorderly conduct, misbehaviour. Now rare.

The action of misorder, v. (in various senses).

Misconduct; corrupt practice, abuse. Obsolete.

Poor upbringing or discipline. Also: the perceived result of this, as bad behaviour, unruliness, etc.

Misdemeanour, misconduct; an instance of this.

Misconduct, misbehaviour. Obsolete.

Misguidance; misguided behaviour; ill-treatment.

Wrong conduct, misdemeanour. Obsolete. rare.

Improper or unacceptable conduct or behaviour. Frequently, esp. in Law (euphemistic): adultery or other illicit sexual activity.