inconclusive
1. [ adjective ] leading to no final results or outcome
Examples:

"an inconclusive experiment"

Related terms: indecisive
2. [ adjective ] not conclusive; not putting an end to doubt or question
Examples:

"an inconclusive reply" "inconclusive evidence" "the inconclusive committee vote"

Related terms: conclusive equivocal head-to-head indeterminate nisi indeterminate indecisive finality
Similar spelling:   inconclusively
  in_conclusion
  inconsistent
  inconsistency
  inconsiderate
  inconsistently
  inconsiderable
  inconstancy
  incongruous
  incongruity
  inconceivable
  inconsideration
  inconsiderately
  incongruent
  in_concert