owlish

adjective3

1. •
   Resembling or characteristic of an owl.

   • "You're very right," he said, with owlish smugness, adjusting a waistcoat button that had come loose, and smoothing his cuffs. — 1914
2. •
   Wise and solemn.

   • He stands precociously possessed of centuries of owlish wisdom. — 1874
3. •
   Stupid; dull-looking.

   • But, indeed, the young Venetian is, at that age when all men are owlish, ignorant, and vapid, the most owlish, ignorant, and vapid man in the world. — 1874