v. Obs. rare. In quot. contre-. [COUNTER- 1: transl. F. contrepenser.] intr. To think again or contrariwise.
1480. Caxton, Ovids Met., X. vii. Thus thought and contrethought Mirra.
Hence Counter-thinker (see quot.).
1611. Cotgr., Contrepenseur, a counterthinker; one that thinks otherwise then, or contrarie to, that he hath done.