Antonyms of adj frugal

1 sense of frugal

Sense 1
economical, frugal, scotch, sparing, stinting -- (avoiding waste; "an economical meal"; "an economical shopper"; "a frugal farmer"; "a frugal lunch"; "a sparing father and a spending son"; "sparing in their use of heat and light"; "stinting in bestowing gifts"; "thrifty because they remember the great Depression"; "`scotch' is used only informally")

INDIRECT (VIA thrifty) -> wasteful -- (tending to squander and waste)

Similarity of adj frugal

1 sense of frugal

Sense 1
economical, frugal, scotch, sparing, stinting -- (avoiding waste; "an economical meal"; "an economical shopper"; "a frugal farmer"; "a frugal lunch"; "a sparing father and a spending son"; "sparing in their use of heat and light"; "stinting in bestowing gifts"; "thrifty because they remember the great Depression"; "`scotch' is used only informally")
       => thrifty (vs. wasteful) -- (careful and diligent in the use of resources)