adj. Having no drift or direction; without aim; purposeless.
the GNU version of the Collaborative International Dictionary of English
adj. Having no drift or direction; without aim; purposeless.
The Century Dictionary and Cyclopedia
Without drift or aim; purposeless; aimless.
Free from drift or driftage
Word Usage
"Moose may be somewhat restricted int heir move south because many of the marshy habitats they like are found in greater abundance in glaciated (young) terrain than in "driftless" or unglaciated (older, more eroded) terrain."