adj. flab·bi·er, flab·bi·est
a. Soft and hanging loosely or in folds: a flabby belly.
b. Having a body characterized by fleshiness or softness, as from being somewhat overweight: He is very flabby around the waist.
2. Lacking force, control, or effectiveness: "The stories will be filled with more action than plot.... There will be more clichéd lines, more flabby reaction shots, more slack and vacuous scenes" (Theodore Roszak).
[Alteration of flappy, tending to flap, from FLAP.]
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.