Answer: frailer

AnswerCrossword Clue
FRAILERNot so hardy
FRAILERLess robust.
FRAILERWeaker.
FRAILERLess robust
FRAILERNot as robust
FRAILERMore likely to break
FRAILERNot so stout
frailerFRAIL, fragile (easily broken)
frailernot physically strong
frailereasily broken