indirect
O-shaped
aberrant
aberrative
ambagious
anfractuous
backhand
backhanded
circular
circumlocutional
circumlocutory
collateral
convolutional
deflectional
departing
desultory
deviant
deviating
deviative
deviatory
devious
digressive
discursive
divagational
divergent
errant
erratic
excursive
flexuose
flexuous
helical
involute
involuted
involutional
labyrinthine
left-handed
mazy
meandering
meandrous
oblique
orbital
out-of-the-way
periphrastic
planetary
rambling
rivose
rivulose
arduous
bumpy
cross-country
cumbersome
expeditious
hazardous
interminable
leisurely
one-way
roundabout
serpentine
southward
tedious
toilsome
tortuous
transcontinental
unfrequented
unpaved
uphill
upward
well-trodden
fortuitous