flak·y also flak·ey (flākē)
adj. flak·i·er, flak·i·est
1. Made of or resembling flakes.
2. Forming or tending to form flakes or thin, crisp fragments: flaky pastry.
a. Undependable, as in keeping social engagements: a flaky friend who is always late.
b. Somewhat eccentric; odd: "that slightly flakey quality, in joy as well as in grief, that prepares us subtly for the mad scenes to come" (Village Voice).
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.