1. Playfully vexing (especially by ridicule)
   "his face wore a somewhat quizzical almost impertinent air"
   - mocking, teasing 
2. Perplexed (as if being expected to know something that you do not know)
   "he had a quizzical expression"
   - questioning

See also: perplexed, playful, quizzically

• Jack Nicklaus
• jack oak
• Jack of all trades
• jack off
• jack pine
• jack plane
• Jack Roosevelt Robinson
• Jack Russell
• Jack Russell terrier
• jack salmon
• Jack the Ripper
• jack up
• Jack William Nicklaus
• jack-a-lantern
• jack-by-the-hedge
• jack-in-the-box
• jack-in-the-pulpit
• jack-o-lantern
• jack-o-lantern fungus
• Jack-tar
• jackal
• golden wedding anniversary
• golden willow
• golden wonder millet
• golden yarrow