adj. hin·ki·er, hin·ki·est
So peculiar as to arouse suspicion; curiously odd: "If a person looks a little hinky, they'll send him away" (Paul Theroux).
[Variant of African American Vernacular English hincty, hinkty, wary, of unknown origin.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.