资料来源 : pyDict

无根的,无所寄托的,无根据的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Rootless \Root"less\, a.
   Destitute of roots.

资料来源 : WordNet®

rootless
     adj : wandering aimlessly without ties to a place or community;
           "led a vagabond life"; "a rootless wanderer" [syn: {vagabond}]