Antonyms of adj unaccountable

2 senses of unaccountable

Sense 1
unaccountable, unexplainable -- (not to be accounted for or explained; "perceptible only as unaccountable influences that hinder progress"; "an unexplainable fear")

INDIRECT (VIA inexplicable) -> explicable -- (capable of being explicated or accounted for; "explicable behavior")

Sense 2
unaccountable -- (free from control or responsibility)

INDIRECT (VIA irresponsible) -> responsible -- (worthy of or requiring responsibility or trust; or held accountable; "a responsible adult"; "responsible journalism"; "a responsible position"; "the captain is responsible for the ship's safety"; "the cabinet is responsible to the parliament")

Similarity of adj unaccountable

2 senses of unaccountable

Sense 1
unaccountable, unexplainable -- (not to be accounted for or explained; "perceptible only as unaccountable influences that hinder progress"; "an unexplainable fear")
       => inexplicable (vs. explicable), incomprehensible -- (incapable of being explained or accounted for; "inexplicable errors"; "left the house at three in the morning for inexplicable reasons")

Sense 2
unaccountable -- (free from control or responsibility)
       => irresponsible (vs. responsible) -- (showing lack of care for consequences; "behaved like an irresponsible idiot"; "hasty and irresponsible action")