went off on a tangent (verb) digress: stray, deviate
Sinonime: aberrate, be diffuse, beat about the bush, circumlocute,
depart, divagate,
drift, excurse, get off the point, get off the subject, get sidetracked, go by way of, go off on a tangent, long way,
meander,
ramble,
roam, swerve, turn aside,
veer,
wander, wander away
Antonime: be direct,
stay