Adjective

(-)

Never before seen or done, without precedent.

* {{quote-news

, year=2011 , date=December 19 , author=Kerry Brown , title=Kim Jong-il obituary , work=The Guardian citation , page= , passage=With the descent of the cold war, relations between the two countries (for this is, to all intents and purposes, what they became after the end of the war) were almost completely broken off, with whole families split for the ensuing decades, some for ever. This event and its after-effects, along with the war against the Japanese in the 1940s, was to cast a long shadow over the years ahead, and led to the creation of the wholly unprecedented worship of Kim Il-sung, and his elevation to almost God-like status. It was also to create the system in which his son was to occupy almost as impossibly elevated a position.}}

Adjective

(en adjective)

Not conforming to rule or system; deviating from the usual or normal type.

* 1899 , (Arthur Conan Doyle), A Duet , ch. 6:

And then after an abnormal meal, which was either a very late breakfast or a very early lunch, they drove on to Victoria Station.

Of or pertaining to that which is abnormal, in particular, behaviour that deviates from norms of social propriety or accepted standards of mental health.

* 1904 , (Jack London), The Sea Wolf , ch. 23:

Furuseth was right; I was abnormal , an "emotionless monster," a strange bookish creature, capable of pleasuring in sensations only of the mind.