timidly

/ˈtɪmɪdli/
adverb
  1. In a shy, nervous, or hesitant way; lacking confidence or courage.
    • She timidly raised her hand to ask a question in class.
    • He timidly suggested a new idea during the meeting, unsure if it would be accepted.
    • The puppy approached the stranger timidly, then ran back to its owner.