1. Insensé.
2. Excentrique.
ETYM French extravagant, from Latin extra on the outside + vagans, -antis, p. pr. of vagari to wander, from vagus wandering, vague. Related to Vague.
Recklessly wasteful; SYN. prodigal, profligate, spendthrift.
Absurdly or amusingly eccentric or irrational; crazy