Superlative form of weakly: most weakly.(adjective)
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Use "weakliest" in a sentence
"Abdul Kader, the tailor who had attached himself to me, as a man ready-handed at all things, from mending a pair of pants, making a delicate entremets, or shooting an elephant, but whom the interior proved to be the weakliest of the weakly, unfit for anything except eating and drinking — almost succumbed on this march."
"Makata swamp; Abdul Kader, the Hindi tailor and adventurer — the weakliest of mortal bodies — was ever ailing for lack of “force,” as he expressed it in"
"The strongest and healthiest men always going off to be killed in war, the weakliest only would be left at home to breed; and so an unhealthy population might spring up."