Adjective

(en adjective)

Having to substance; actually existing; real; as, substantial life.

Not seeming or imaginary; not illusive; real; solid; true; veritable.

* "to do some substantial good, is the compensation for much incidental imperfection" - Cardinal Newman, The Rise and Progress of Universities

Corporeal; material; firm.

Having good substance; strong; stout; solid; firm; as, substantial cloth; a substantial fence or wall.

possessed of goods or an estate; moderately wealthy; responsible; as, a substantial freeholder.

Large in size, quantity, or value; as, a substantial amount of money; vast

Most important; essential.

Ample or full.

A substantial amount of people in this buliding

Significantly great.

Adjective

(en adjective)

Exceeding the bounds of something; roving; hence, foreign.

* (William Shakespeare)

The extravagant and erring spirit hies / To his confine.

Extreme; wild; excessive; unrestrained.

* Addison

There appears something nobly wild and extravagant in great natural geniuses.

*{{quote-book, year=1963, author=(Margery Allingham)

, title=(The China Governess), chapter=1 citation , passage=The half-dozen pieces […] were painted white and carved with festoons of flowers, birds and cupids. […] The bed was the most extravagant piece. Its graceful cane halftester rose high towards the cornice and was so festooned in carved white wood that the effect was positively insecure, as if the great couch were trimmed with icing sugar.}}

Exorbitant.

*{{quote-magazine, date=2013-06-08, volume=407, issue=8839, page=55, magazine=(The Economist)

, title= Obama goes troll-hunting , passage=According to this saga of intellectual-property misanthropy, these creatures [patent trolls] roam the business world, buying up patents and then using them to demand extravagant payouts from companies they accuse of infringing them. Often, their victims pay up rather than face the costs of a legal battle.}}

Profuse in expenditure; prodigal; wasteful.

(Bancroft)