verbose

adjective2

1. •
   Containing or using more words than necessary; long-winded, wordy.

   • [...] I might seem to deserve justly to be accounted a verbose and silly Defender; [...] — 1692
2. •
   Producing detailed output for diagnostic purposes.

   • You should use verbose logging sparingly. Turning on verbose logging for every process would result in log files so large they would become useless. — 2001