vagus -a -um

1. 1

   wandering, rambling, strolling, roving, roaming, unfixed, unsettled, vagrant

   = errābundus= vagābundus

2. 2

   wandering, wavering, unsteady, inconstant, doubtful, uncertain, vague

3. 3

   undecided, fickle

   = dubius= suspensus= incertus= anceps ↔ indubius↔ prōmptus↔ fixus