ADVERB (2)

1. lacking firmness or resoluteness;
- Example: "`I don't know,' he said indecisively"

2. without finality; inconclusively;
- Example: "the battle ended indecisively neither side had clearly won but neither side admitted defeat";

The Collaborative International Dictionary of English v.0.48:

Indecisively \In`de*ci"sive*ly\, adv.
   Without decision.
   [1913 Webster]

WordNet (r) 3.0 (2006):

indecisively
    adv 1: lacking firmness or resoluteness; "`I don't know,' he
           said indecisively" [ant: decisively, resolutely]
    2: without finality; inconclusively; "the battle ended
       indecisively; neither side had clearly won but neither side
       admitted defeat" [ant: decisively]