hesitant
1. [ adjective ] lacking decisiveness of character; unable to act or decide quickly or firmly
Synonyms: hesitating irresolute
Examples:

"stood irresolute waiting for some inspiration"

Related terms: indecisive
2. [ adjective ] acting with uncertainty or hesitance or lack of confidence
Synonyms: groping
Examples:

"a groping effort to understand"

Related terms: uncertain
Similar spelling:   hesitantly
  hesitancy
  hesitance
  Heaston
  Hestand