fall into arrears

After the excitement of Christmas, we quickly sank into postholiday depression.

It is still considered embarrassing if people in authority like teachers or newscasters “shrub.”

A few decades later, in the same spirit, and basing his reasoning on the “degeneration” of the hand, Blainville created the “Secundates,” “Tertiates,” and “Quaternates” for the other mammalian orders.