extravagant
ik-STRAV-uh-guntadjMeaning spending far more than is wise or needed; going beyond reason
Memory hook EXTRA, EXTRA, EXTRA!. Mrs. Hale buys an extra cake, extra balloons and an extra band for her dog’s party, just because; spending that far beyond what makes sense is extravagant.
For her dog’s birthday, Mrs. Hale threw an extravagant party with a three-layer cake and a hired band.
In context Their first apartment was tiny and cheap, so a piano that cost more than a year’s rent seemed extravagant to everyone they knew.
Similar wasteful, lavish, spendthrift, excessive
Opposite frugal, thrifty, economical, modest
From Medieval Latin extravagans, “wandering beyond (the limits)”: extra- (beyond) + vagari (to wander).