Of persons: Not conforming or obedient to rule, law, or moral principle; lawless, disorderly.

= informal, adj. 2.

Not done or made according to a recognized or prescribed form; not observing established procedures or rules; unofficial; irregular.

Not according to order or rule, irregular.

Of a person: strange or unnatural in conduct or disposition. Obsolete.

Of persons, their actions, etc.: strange in behaviour or appearance; peculiar; eccentric; unexpected.

Unregulated; irregular, disorderly.

Deviating from the normal, prescribed, or customary track. Of movements, conduct, etc.: Eccentric, erratic, irregular (obsolete).

That is or has a free spirit; lively and independent; unconstrained by convention.

Of persons: Not disposed or wont to conform; of incompliant disposition or practice: esp., in English History, Not conforming to the usages of…

Varying widely from what is usual or proper; unusual, abnormal, strange; unbecoming, unsuitable. Obsolete.

Not conformed to.

figurative. Regulated by no central control. Of persons and personal attributes: Deviating from usual methods, odd, whimsical.

Of persons: Unwilling to conform. (Cf. 2.)

Exceeding the limits of conventional behaviour; sensational, somewhat shocking; daring, provocative, shameless.

Not limited or bound down by convention; free and easy.

Irregular or eccentric in conduct, habit, or opinion.

Having, or full of, kinks; closely curled or twisted: said esp. of the hair of some races. Also in combinations, as kinky-bearded, kinky-haired, ki…

Now often with lower-case initial. Socially unconventional in a way regarded as characteristic of creative artists; belonging to or characteristic of…

Characterized by independence of or departure from what is usual or traditional; progressive, unorthodox, or innovative in outlook, conception…

Usually with lower-case initial. Socially unconventional in a way regarded as characteristic of creative artists; belonging to or characteristic of a…

Failing or refusing to conform; belonging, relating to, or supporting nonconformity; spec. not conforming, adhering, or assenting to the usages of…

Australian and (now chiefly) New Zealand. Unorthodox, unconventional; eccentric, odd; amusing. Cf. sense A. 3b.

Suggestive of jazz (in various senses), jazzy; lively; sophisticated; unconventional.

colloquial (originally U.S.). Unusual, unconventional; strange, eccentric.

Deviating; divergent. spec. Deviating from normal social, etc., standards or behaviour.

= deviant, adj., esp. of social and sexual behaviour. Cf. deviate, n. 1.

Eccentric, strange; bizarre, peculiar.

Of a person, work, etc.: unconventional, experimental, or radical.

slang. Far removed from reality or from convention; unconventional, eccentric; progressive, avant-garde; extreme. Usually hyphenated in attributive…

Socially unconventional in a way regarded as characteristic of creative artists; belonging to or characteristic of boho or a boho (see sense A…

That does not conform.

That treats a subject from a different or unconventional angle; unorthodox, ‘offbeat’.