Antonyms of adj self-explanatory

1 sense of self-explanatory

Sense 1
self-explanatory -- (needing no explanation)

INDIRECT (VIA obvious) -> unobvious -- (not immediately apparent; "in mathematical science connections are exhibited which...are extremely unobvious"- A.N.Whitehead)

Similarity of adj self-explanatory

1 sense of self-explanatory

Sense 1
self-explanatory -- (needing no explanation)
       => obvious (vs. unobvious) -- (easily perceived by the senses or grasped by the mind; "obvious errors")