coltishness

The grand thing is to get rid of dogged sulks and coltishness—of that wayward, swerving, hesitating gait, which says, “Here’s my foot, and there’s my foot,” or “There is a lion in the street, I cannot go forth!”

Though only a year younger than Reuben, in the midst of the awkward age, his growing limbs quite lacked the coltishness of his brother’s.