wander from a direct course or at random; "The child strayed from the path and her parents lost sight of her"; "don't drift from the set course"
TRIP
an exciting or stimulating experience
an accidental misstep threatening (or causing) a fall; "he blamed his slip on the ice"; "the jolt caused many slips and a few spills"
a hallucinatory experience induced by drugs; "an acid trip"
get high, stoned, or drugged; "He trips every weekend"
put in motion or move to act; "trigger a reaction"; "actuate the circuits"
make a trip for pleasure
miss a step and fall or nearly fall; "She stumbled over the tree root"
cause to stumble; "The questions on the test tripped him up"
an unintentional but embarrassing blunder; "he recited the whole poem without a single trip"; "he arranged his robes to avoid a trip-up later"; "confusion caused his unfortunate misstep"
a light or nimble tread; "he heard the trip of women's feet overhead"
a journey for some purpose (usually including the return); "he took a trip to the shopping center"