"straying" in the verb sense
1. roll, wander, swan, stray, tramp, roam, cast, ramble, rove, range, drift, vagabond
move about aimlessly or without any destination, often in search of food or employment
"The gypsies roamed the woods"
"roving vagabonds"
"the wandering Jew"
"The cattle roam across the prairie"
"the laborers drift from one town to the next"
"They rolled from town to town"
2. stray, err, drift
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"
3. digress, stray, divagate, wander
lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking
"She always digresses when telling a story"
"her mind wanders"
"Don't digress when you give a lecture"
"straying" in the adjective sense
1. straying
unable to find your way
"found the straying sheep"
Source: WordNet® (An amazing lexical database of English)
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