enormous

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Very great in size, extent, number, or degree.
2. adj. Archaic Very wicked; heinous.

Century Dictionary and Cyclopedia

1. Deviating from or transgressing the usual measure or rule; abnormal.
2. Spreading or extending beyond certain limits; redundant.
3. Greatly surpassing the common measure; exceeding the usual size: as, enormous debts; a man of enormous size.
4. Extremely wicked; uncommonly atrocious: as, enormous crime or guilt.
5. Disordered; perverse.
6. Synonyms Enormous, Immense, Excessive, huge, vast, monstrous, prodigious, gigantic, immoderate, unwieldy. The first three words agree in expressing greatness, and the first two vastness; anything, however small, is excessive if for some special reason too great in amount. Literally, enormous is out of rule, out of proportion; immense, unmeasured, immeasurable; excessive, going beyond bounds, surpassing what is fit, right, tolerable, etc. Enormous is peculiarly applicable to magnitude, primarily physical, but also moral: as, enormous egotism; immense, to extent, quantity, and number: as, an immense national debt; immense folly; excessive, to degree: as, an excessive dose; an excessive opinion of one's own merits.
7. Villainous, Abominable, etc. (see nefarious); heinous, atrocious.

Wiktionary

1. adj. obsolete Deviating from the norm; unusual, extraordinary.
2. adj. obsolete Exceedingly wicked; atrocious or outrageous.
3. adj. Extremely large; greatly exceeding the common size, extent, etc.

GNU Webster's 1913

1. adj. Exceeding the usual rule, norm, or measure; out of due proportion; inordinate; abnormal.
2. adj. Exceedingly wicked; outrageous; atrocious; monstrous.

WordNet 3.0

1. adj. extraordinarily large in size or extent or amount or power or degree