'Weak' in the Bible
And it happened [that] when Isaac [was] old and {his eyesight was weak}, he called Esau his older son and said to him, "My son." And he said to him, "Here I [am]."
and you will see what the land is [like] and if the people who inhabit it [are] strong or weak, or whether they are few or many,
Samson said to her, "If you tie me up with seven fresh bowstrings that are not dried up, I will become weak like everyone else."
He said to her, "If they tie me tightly with new ropes that have not been used, I will become weak and be like everyone else."
So {he confided everything to her}, and he said to her, "A razor {has never touched} my head, for I [am] a {Nazirite of God} {from birth}. If I am shaved my strength will leave me, and I will become weak, like everyone else.
{And then} one day when Eli was lying in his place (now his eyes had begun [to grow] weak so that he was not able to see)
I [am] weak today even though anointed king, and these men, the sons of Zeruiah, [are] crueler than I [am]. May Yahweh pay them back for doing wickedness according to their [own] wickedness."
I will come upon him while he [is] weary and {weak}. I will startle him, and all of the people who [are] with him will flee. Then I will strike down the king [while] he [is] alone.
But as for you, be strong and let not your hands be weak, for there is reward for your labor."
Look, you have instructed many, and you have strengthened weak hands.
[The] wicked sees [it] and is vexed. He gnashes his teeth and {becomes weak}. [The] desire of [the] wicked perishes.
All of them will respond and say to you, 'You yourself also were made weak like us! You have become the same as us!'
Strengthen [the] weak hands and make [the] staggering knees firm.
And their inhabitants [are] {weak}; they are dismayed, and they are ashamed; they have become [like] plants of [the] field, and [like] greens of grass, [like] grass on [the] roofs and a cultivated field {before} the standing grain.
Like a horse or a crane, so I chirp; I moan like dove. My eyes are weak toward the height. Lord, I have oppression; lend me support!
You grow weary by the greatness of your way, [but] you did not say, 'Despairing!' You found the {renewal} of your {strength}, therefore you do not grow weak.
{And then} when they say to you, 'On account of what [are] you groaning?' then you must say, 'On account of [the] report, for it [is] coming, and every heart will be weak and all hands will hang limp and every spirit will be disheartened, and all knees will go [like] water.' Look! It [is] coming, and it will happen!" {declares} the Lord Yahweh.
The weak you [have] not strengthened, and the sick you [have] not healed, and {with respect to} the hurt you have not bound [them up], and you [have] not brought back the scattered, and you [have] not sought the lost, but [rather] you ruled over them with force and with ruthlessness.