phrasal
: not following a guiding beam : proceeding on a wrong course : deviating from the normal or true
truly off the beam and wandering in a Stygian darkness — Peggy Bennett
phrasal
: not following a guiding beam : proceeding on a wrong course : deviating from the normal or true
truly off the beam and wandering in a Stygian darkness — Peggy Bennett
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012