Synonyms:
questioning, quizzical
Meaning: perplexed (as if being expected to know something that you do not know); "he had a quizzical expression"
Synonyms:
mocking, teasing, quizzical
Meaning: playfully vexing (especially by ridicule); "his face wore a somewhat quizzical almost impertinent air"- Lawrence Durrell
Usage examples
An air half quizzical and half deferential
Dicky's tone was mildly quizzical, his smile mischievous, but I flushed hotly.
She looked up at the spire and then at him with a faintly quizzical expression.
"And which of them ...?" asked Mr. Salvin, dropping his voice and speaking in quizzical tones.