Synonyms for Wasteful:
•not economical (adjective)
incontinent, spendthrift, prodigal, immoderate, extravagant, reckless, lavish, wild, careless, pound-foolish, destructive, thriftless, Unthrifty, cavalier, uneconomical, improvident, profligate, profuse, liberal, squandering, overgenerous.
opulent, unconstrained, pound-foolish, overflowing, overindulgent, profuse, prodigal, extravagant, indulgent, profligate, thriftless, overabundant, immoderate, lavish, gluttonous, unrestrained.
n.waster. •extravagant (noun)
liberal, full-handed, squandering, reckless, without stint, out of bounds, wild, careless, improvident, Unthrifty, easy come easy go, overgenerous, dissipated, incontinent, cavalier, with money to burn.
spendthrift, destructive, uneconomical, pound-foolish, uneconomic, profligate, extravagant, inefficient, prodigal.
•Other relevant words:
extravagant, uneconomic, cavalier, squandering, inefficient, spendthrift, overgenerous, waster, reckless, Unthrifty, improvident, careless, uneconomical, liberal, wild, destructive, full-handed, incontinent, dissipated.