Squander the fortune

Extravagant

an extravagant price

with extravagant praise

Luxury

Profligately

She was very profligate in her spending.

Generously

Lavish

Lavish care upon one's children

Lavish money on sth

Lavish praises on sb.

Disperse=separate

Her sweet words dispersed his melancholy.

\ˈme-lən-ˌkä-lē\

Negligence= neglect carelessness

The accident was due to negligence.