Like a head-cocked-to-one-side look (9)

I believe the answer is:

quizzical

(Other definitions for quizzical that I've seen before include "Questioning - teasing" , "Mocking; perplexed" , "Mildly perplexed" , "Curious" , "Questioning, look say" .)

I've seen this clue in the USA Today.

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