From Wiktionary, the free dictionary
From counter- + thought.
counterthought (plural counterthoughts)
- A thought that counters or opposes another thought.
2008 January 1, Richard Eder, “A Writer, a Muse, Their Laundry”, in New York Times[1]:His thoughts and their counterthoughts are bent and curled, snail-like, inside the whorls of fiction.
