oddness

This humour broke out at first in many little oddnesses: he had never any stated hours for his dinner, supper, or sleep; because, said he, we ought to attend the calls of nature, and not set our appet

Neither was he intimate with any of the other bigger boys, who were warned off by his oddnesses, for he was a very queer fellow; […]

He tried to get the woman off his mind, but the oddness of her conversation continued to bother him.

There’s a sense of oddness here.