Antonyms of adj manageable

2 senses of manageable

Sense 1
manageable (vs. unmanageable) -- (capable of being managed or controlled)

unmanageable (vs. manageable), difficult -- (hard to control; "a difficult child", "an unmanageable situation")
        => indocile, uncontrollable, ungovernable, unruly -- (of persons; "the little boy's parents think he is spirited, but his teacher finds him unruly")
        => uncheckable -- (incapable of being checked or restrained)

Sense 2
accomplishable, achievable, doable, manageable, realizable -- (capable of existing or taking place or proving true; possible to do)

INDIRECT (VIA possible) -> impossible -- (not capable of occurring or being accomplished or dealt with; "an impossible dream"; "an impossible situation")

Similarity of adj manageable

2 senses of manageable

Sense 1
manageable (vs. unmanageable) -- (capable of being managed or controlled)
       => administrable -- (capable of being administered or managed)
       => controllable, governable -- (capable of being controlled)
       => directed -- (manageable by a supervising agent; "a directed program of study")
       => steerable, dirigible -- (capable of being steered or directed)
          Also See-> compliant#1; obedient#1; tractable#1, manipulable#1

Sense 2
accomplishable, achievable, doable, manageable, realizable -- (capable of existing or taking place or proving true; possible to do)
       => possible (vs. impossible) -- (capable of happening or existing; "a breakthrough may be possible next year"; "anything is possible"; "warned of possible consequences")