Definition of unaccountable:
difficult, explain, complex, unusual, incomprehensible, mysterious, contorted, involved, irresponsible, complicated, elaborate, odd, inexplicable, confusing, peculiar, unexplainable, confused, inexplainable, intricate.
- "Jan and Her Job", L. Allen Harker.
- "The Vultures", Henry Seton Merriman.
Hastily, eagerly, impulsively, with the most obvious honesty and frankness, she told him of how Nigel had promised to help her with Madeline, of how he had planned with her to make Madeline happy; she told him of the variable and unaccountable conduct of Rupert Denison to Madeline, of his marked attention at one moment, his coldness at another.- "Bird of Paradise", Ada Leverson.