Adjective

(en adjective)

Not needed or necessary.

The automatic child-frightener made clowns unnecessary .

* {{quote-news

, year=2011 , date=December 14 , author=Steven Morris , title=Devon woman jailed for 168 days for killing kitten in microwave , work=Guardian citation , page= , passage=Robins, of Torquay, had denied a single charge of causing unnecessary suffering to an animal. She claimed the microwave was accidentally turned on by one of the cats after the kitten got inside. But Knutton said the kitten was too small to even get onto the work surface.}}

Done in addition to requirements; unrequired.

Adjective

(en adjective)

(of people) Very high-spirited; extremely energetic and enthusiastic.

* 1882 , , "The Lady or the Tiger?":

He was a man of exuberant fancy, and, withal of an authority so irresistible that, at his will, he turned his varied fancies into facts.

* 1961 , , Catch-22 :

She was a tall, earthy, exuberant girl with long hair and a pretty face.

(of things that grow) Abundant, luxuriant, profuse, superabundant.

* 1972 , Ken Lemmon, "Restoration Work at Studley Royal," Garden History , vol. 1, no. 1, pp. 22:

The County Architect's Department is starting to pleach trees to open up these vistas, now almost hidden by the exuberant growth.