undescriptive

/ˌʌndɪˈskrɪptɪv/
adjective
  1. Not giving enough detail or information; failing to describe something clearly.
    • The menu was undescriptive, just listing 'chicken' without any sauce or seasoning details.
    • Her essay was too undescriptive; it listed facts but never painted a picture for the reader.
    • The witness gave an undescriptive account of the accident, so the police had few clues.