enormity

Short definition from Wiktionary

Noun

1. 1
   Deviation from what is normal or standard; irregularity, abnormality.
2. 2
   Deviation from moral normality; extreme wickedness, nefariousness, or cruelty.
3. 3
   A breach of law or morality; a transgression, an act of evil or wickedness.
4. 4
   Great size; enormousness, hugeness, immenseness.