What Does Deuteronomy 32:15 Mean?

But Jeshurun, the Straight One, grew fat and kicked. You grew fat, you grew thick, you were covered in fatness; then he let go of God who made him, and made light of the Rock of his deliverance.
Deuteronomy 32:15 · SDV
Key words are shown with the Hebrew or Greek and what each word meant.

Selah Decoded Version The Selah Decoded Version renders what the Hebrew and Greek words meant to the people who first heard them.

This verse in the King James

King James wording
But Jeshurun waxed fat, and kicked: thou art waxen fat, thou art grown thick, thou art covered with fatness; then he forsook God which made him, and lightly esteemed the Rock of his salvation.

The verse names its subject Jeshurun, the upright one, and then shows fullness turning that uprightness into a kick against the Rock of deliverance.

The “upright one” can be full and still turn against the source that made and delivers them. Here, abundance does not erase dependence; it can cover it until the Rock seems small.

WHAT THIS UNDOES

The lie this undoes is that fullness means you are self-made and no longer depend on a source; the verse shows fullness can coexist with forsaking the one who made you.

יְשֻׁרוּן

Yeshurun

GROWS FROM

יָשַׁר

y-sh-r

To be straight, right, or upright.

“Jeshurun, the Straight One” in this verse is Yeshurun. Jeshurun is a poetic name understood as “the upright one,” from yashar. The name collides with the action: the one called upright becomes a kicker who forsakes the Maker, exposing a break between named nature and lived direction.

ALSO GROWS

yashar: Straight, upright

יָשָׁר

It gives Jeshurun its name-nature and sharpens the contrast with the turning described here.

yosher: Uprightness, integrity

יֹשֶׁר

This branch makes the verse’s tension plain: uprightness is named, while the actions move away from its source.

וַיִּשְׁמַן

vayyishman

GROWS FROM

שמן

sh-m-n

To be fat or rich; to become full.

“grew fat” in this verse is vayyishman. The repeated fatness language comes from shamen and makes the abundance bodily: fullness is followed by kicking and forgetting. The same root appears in words for oil and rich foods, so the verse pictures plenty as something tangible that can cover awareness of its source.

ALSO GROWS

shemen: Oil

שֶׁמֶן

The shared root links fatness with a rich, nourishing substance; here, fullness becomes the setting for turning against the giver.

mishmannim: Rich foods, delicacies

מִשְׁמַנִּים

This branch shows the root’s association with richness and abundance, the condition the verse says can precede forgetfulness.

יְשׁוּעָתוֹ

yeshuʿato

GROWS FROM

ישע

y-sh-ʿ

To deliver, rescue, or bring out into safety.

“Salvation” can sound abstract, but yeshuah names deliverance: being brought out of constriction into room. The Rock is the source and solid ground of that deliverance, so to spurn the Rock is to reject the very source of release.

ALSO GROWS

yeshuah: Deliverance

יְשׁוּעָה

It is the deliverance named as belonging to the Rock in this verse.

moshia: Deliverer

מוֹשִׁיעַ

This form names the one who brings deliverance, clarifying why forsaking the Maker and Rock is a rupture with the source of rescue.

When fullness is mistaken for self-sufficiency, the heart can forget the source that sustains it.

Then your heart is raised high, and you let the LORD your God slip from you, who brought you out of the land of Egypt, from the house of bondage;
Deuteronomy 8:14 · SDVThe verse links a lifted heart and fullness with forgetting the one who brought the reader out.
According to their pasture, so they were filled; they filled themselves, and their heart rose up; therefore they have forgotten me.
Hosea 13:6 · SDVBeing filled is followed by an exalted heart and forgetfulness, repeating Deuteronomy’s pattern.
So is the one who stores up treasure for himself, and is not rich toward God.
Luke 12:21 · SDVStored abundance becomes self-contained when it is detached from richness toward God.
You have looked away from the Rock who bore you, and you have forgotten the God who labored you.
Deuteronomy 32:18 · SDV

The next verse repeats the Rock and makes the fracture explicit: forgetting the Rock is forgetting the one who formed you. The image deepens “God which made him” into a source of life, not a distant idea.

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Deuteronomy 32:15 Meaning