a line or course having abrupt alternate right and left turns

she traced a zigzag on the metal with her finger

having the form of a zigzag; veering alternately to right and left

when chased by a predator, some animals take a zigzag course

so as to move right and left alternately

she drives zigzag across the city

have or move along in a zigzag course

the path zigzagged between dry rises in the land