adj
flabby
FLAB-ee
adj
1
Soft and loose, lacking muscle tone.
"Months without exercise had left his arms flabby."
2
Weak or lacking rigor, said of an argument, writing, or structure.
"The essay's conclusion felt flabby and unconvincing."
How to Use Flabby
Learner’s notesIn plain EnglishSoft and saggy rather than firm — used for both bodies and weak arguments or writing.
Common pairings
flabby muscles
flabby prose
flabby arms
Word Forms
flabbier comparative, flabbiest superlative
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Etymology
A variant of "flappy," from "flap" in the sense "to hang loosely."