Antonyms of adj dysfunctional

2 senses of dysfunctional

Sense 1
dysfunctional -- (impaired in function; especially of a bodily system or organ)

INDIRECT (VIA impaired) -> unimpaired -- (not damaged or diminished in any respect; "his speech remained unimpaired")

Sense 2
dysfunctional, nonadaptive -- ((of a trait or condition) failing to serve an adjustive purpose; "dysfunctional behavior")

INDIRECT (VIA maladaptive) -> adaptive, adaptative -- (having a capacity for adaptation; "the adaptive coloring of a chameleon")

Similarity of adj dysfunctional

2 senses of dysfunctional

Sense 1
dysfunctional -- (impaired in function; especially of a bodily system or organ)
       => impaired (vs. unimpaired) -- (diminished in strength, quality, or utility; "impaired eyesight")

Sense 2
dysfunctional, nonadaptive -- ((of a trait or condition) failing to serve an adjustive purpose; "dysfunctional behavior")
       => maladaptive (vs. adaptive) -- (showing faulty adaptation)