The Collaborative International Dictionary of English v.0.48:

Lowliness \Low"li*ness\, n. [From Lowly.]
   1. The state or quality of being lowly; humility; humbleness
      of mind.
      [1913 Webster]

            Walk . . . with all lowliness and meekness. --Eph.
                                                  iv. 1, 2.
      [1913 Webster]

   2. Low condition, especially as to manner of life.
      [1913 Webster]

            The lowliness of my fortune has not brought me to
            flatter vice.                         --Dryden.
      [1913 Webster]

WordNet (r) 3.0 (2006):

lowliness
    n 1: the state of being humble and unimportant [syn:
         humbleness, unimportance, obscureness, lowliness]
    2: a position of inferior status; low in station or rank or
       fortune or estimation [syn: low status, lowness,
       lowliness] [ant: high status]