Antonyms of adj thriftless

1 sense of thriftless

Sense 1
thriftless -- (careless of the future)

INDIRECT (VIA improvident) -> provident -- (providing carefully for the future; "wild squirrels are provident"; "a provident father plans for his children's education")

Similarity of adj thriftless

1 sense of thriftless

Sense 1
thriftless -- (careless of the future)
       => improvident (vs. provident) -- (not provident; not providing for the future)