שָׁכַח shâkach — to mislay, i.e. to be oblivious of, from want of memory or attention
Translated in the KJV as × at all, forget.
or שָׁכֵחַ; a primitive root; to mislay, i.e. to be oblivious of, from want of memory or attention.
shâkach in each stem
Qal (Pa'al)
Perfect (qatal) 33Imperfect (yiqtol) 29Wayyiqtol 9Jussive 7Sequential perfect (weqatal) 3Participle (active) 2Infinitive absolute 1Cohortative 1Imperative 1
Until thy brother’s anger turn away from thee, and he forget that which thou hast done to him: then I will send, and fetch thee from thence: why should I be deprived also of you both in one day?
Yet did not the chief butler remember Joseph, but forgat him.
Only take heed to thyself, and keep thy soul diligently, lest thou forget the things which thine eyes have seen, and lest they depart from thy heart all the days of thy life: but teach them thy sons, and thy sons’ sons;
Niph'al
Imperfect (yiqtol) 5Perfect (qatal) 4Sequential perfect (weqatal) 2Participle (active) 2
And there shall arise after them seven years of famine; and all the plenty shall be forgotten in the land of Egypt; and the famine shall consume the land;
And it shall come to pass, when many evils and troubles are befallen them, that this song shall testify against them as a witness; for it shall not be forgotten out of the mouths of their seed: for I know their imagination which they go about, even now, before I have brought them into the land which I sware.
The flood breaketh out from the inhabitant; even the waters forgotten of the foot: they are dried up, they are gone away from men.
Hitpa'el
Imperfect (yiqtol) 1
And so I saw the wicked buried, who had come and gone from the place of the holy, and they were forgotten in the city where they had so done: this is also vanity.
Hiph'il
Infinitive construct 1
Which think to cause my people to forget my name by their dreams which they tell every man to his neighbour, as their fathers have forgotten my name for Baal.
Pi'el
Perfect (qatal) 1
And he hath violently taken away his tabernacle, as if it were of a garden: he hath destroyed his places of the assembly: the Lord hath caused the solemn feasts and sabbaths to be forgotten in Zion, and hath despised in the indignation of his anger the king and the priest.
What the stems mean
A Hebrew verb is its root letters set into a pattern. The pattern — the binyan — is the grammar's way of saying three things at once: whether the action is simple, intensive or causative, and whether its subject is active, passive or reflexive. That is why one Hebrew word can need six English ones. All seven binyanim, explained ›
