periodic
n.— «I thought he had sobered up during our growing up years. I was wrong. He was what is known as a “periodic.” He revealed his dual life to my sister and to me as we entered college, then regularly showed up on campus to get drunk with his old frat brothers.» —“Sometimes, fathers set an example of what not to do” by S. Derrickson Moore Las Cruces Sun-News (New Mexico) June 16, 2007. (source: Double-Tongued Dictionary)
Further reading
Whether it’s a Rubik’s cube or a round of Wordle, why do so many of us find puzzles irresistible? A new book celebrates the allure and psychological benefits of brain teasers. Plus, powerful language for talking about the chronic...
Ever wonder what medieval England looked and sounded like? In Old English, the word hord meant “treasure” and your wordhord was the treasure of words locked up inside you. A delightful new book uses the language of that period to create...