n.
1.
Excess, exorbitance, enormity, unreasonableness, preposterousness.
2.
Irregularity, wildness, folly, excess, absurdity.
3.
Prodigality, profusion, waste, lavish expenditure.
EXTRAVAGANCE
Meaning of EXTRAVAGANCE in English
Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012