Extravagant.
1. Enlarged beyond truth or reasonableness; SYN. hyperbolic, inflated.
2. Enlarged to an abnormal degree; SYN. magnified, enlarged.
3. Represented as greater than is true or reasonable; SYN. overdone, overstated.
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.
Highly imaginative but unlikely; SYN. implausible. See.