"wasteful" in the adjective sense
1. uneconomical, wasteful
inefficient in use of time and effort and materials
"a clumsy and wasteful process"
"wasteful duplication of effort"
"uneconomical ebb and flow of power"
2. wasteful
tending to squander and waste
3. wasteful
laying waste
"when wasteful war shall statues overturn"- Shakespeare
Source: WordNet® (An amazing lexical database of English)
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