RichThesaurus
lose train of thought
lose train of thought
synonyms
get sidetracked
go off on a tangent
deviate
go astray
talk nonsense
babble
depart
shift
swerve
ramble
wander
err
stray
rave
diverge
divagate
veer
get off the track
lose one’s way
lose train of thought
antonyms
stay
go direct