: winding or circling around a central point and usually getting closer to or farther away from it : shaped or moving like a spiral
: a circular curving line that goes around a central point while getting closer to or farther away from it
: a situation in which something continuously increases, decreases, or gets worse
American football : a kick or throw in which the ball spins while moving through the air
: to move in a circle around a central point while getting closer to or farther away from it : to move in a spiral
: to greatly increase, decrease, or get worse in a continuous and usually fast and uncontrolled way
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