aberrant
adjective
[ əˈbɛr(ə)nt ]
• departing from an accepted standard.
• "this somewhat aberrant behaviour requires an explanation"
Similar:
deviant,
deviating,
divergent,
abnormal,
atypical,
anomalous,
digressive,
irregular,
nonconformist,
rogue,
transgressing,
strange,
odd,
peculiar,
uncommon,
freakish,
eccentric,
quirky,
exceptional,
singular,
twisted,
warped,
perverted,
Origin:
mid 16th century: from Latin aberrant- ‘wandering away’, from the verb aberrare, from ab- ‘away, from’ + errare ‘to stray’.