Answer: stoutest

AnswerCrossword Clue
STOUTESTUnsurpassed in corpulence
STOUTESTMost weighty
STOUTESTMost thickset
STOUTESTMost corpulent
STOUTESTFirmest.
STOUTESTMost brave.
STOUTESTMost rugged.
STOUTESTMost valiant.
STOUTESTMost dauntless
STOUTESTMost valiant
stoutest(of a person) Somewhat fat or of heavy build
stoutest(of an object) Strong and thick
stoutestSTOUT, robust (strong and healthy)
stoutest(of an act, quality, or person) Brave and determined