A check; a relapse; a discouragement; a setback.
Whatever is thrown back in its course, such as water.
To plow again in the fall; said of prairie land broken up in the spring.
An instance of flip-flopping, of repeatedly changing one's stated opinion about a matter.
A return trip.
A sandal consisting of a rubber sole fastened to the foot by a rubber thong fitting between the toes and around the sides of the foot.
A bistable; an electronic switching circuit that has either two stable states (switching between them in response to a trigger) or a stable and an unstable state (switching from one to the other and back again in response to a trigger), and which is thereby capable of serving as one bit of memory.
A change of places; an inversion or swap.
The sound of a regular footfall.
A somersault.
To alternate back and forth between directly opposite opinions, ideas, or decisions.