wasteful
adjective
[ ˈweɪstfʊl ]
• (of a person, action, or process) using or expending something of value carelessly, extravagantly, or to no purpose.
• "wasteful energy consumption"
Similar:
prodigal,
profligate,
uneconomical,
extravagant,
lavish,
excessive,
careless,
imprudent,
improvident,
reckless,
thriftless,
spendthrift,
squandering,
needless,
useless,
not needed,
squandered,
