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WordNet-Online
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Adjective wasteful has 3 senses
- 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"
Antonym: efficient (indirect, via inefficient)
- wasteful - tending to squander and waste
Antonyms: thrifty, economical, frugal, scotch, sparing, stinting, penny-wise, saving, scavenging
- wasteful - laying waste; "when wasteful war shall statues overturn"- Shakespeare
Antonym: constructive (indirect, via destructive)
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