King James Version

What Does Hebrews 12:15 Mean?

Hebrews 12:15 in the King James Version says “Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble you, and ther...” — study this verse from Hebrews chapter 12 with commentary, cross-references, and original Greek word analysis.

“Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble you, and thereby many be defiled; fail: or, fall from”

Hebrews 12:15 · KJV

Grace

Context

13

And make straight paths for your feet, lest that which is lame be turned out of the way; but let it rather be healed. straight: or, even

14

Follow peace with all men, and holiness, without which no man shall see the Lord:

15

Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble you, and thereby many be defiled; fail: or, fall from

16

Lest there be any fornicator, or profane person, as Esau, who for one morsel of meat sold his birthright.

17

For ye know how that afterward , when he would have inherited the blessing, he was rejected: for he found no place of repentance, though he sought it carefully with tears. place: or, way to change his mind

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Commentary

KJV Study Commentary
Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble you, and thereby many be defiled; This verse warns about two dangers: failing to obtain God's grace and allowing bitterness to spread. 'Looking diligently' (episkopountes, ἐπισκοποῦντες, 'overseeing' or 'watching carefully') indicates active pastoral oversight—believers should watch out for one another. 'Fail of the grace of God' (hysteron apo tēs charitos tou theou) could mean failing to reach grace or falling from it—either never truly embracing gospel grace or apostasizing from professed faith.

The second danger, 'root of bitterness,' quotes Deuteronomy 29:18, warning against secretly harboring idolatry or rebellion. Here it describes resentment, anger, or doctrinal error that starts small but 'springs up' (phyousa, φύουσα, 'growing' or 'sprouting') to 'trouble' (enochlē, ἐνοχλῇ, 'disturb' or 'cause annoyance') and 'defile many' (miainthōsin polloi). One bitter person, if unchecked, can contaminate entire communities through complaining, criticism, or false teaching.

This illustrates the contagious nature of both apostasy and bitterness. Sin rarely remains isolated—it spreads. Therefore, church discipline and mutual accountability aren't optional but essential for community health. Reformed theology emphasizes both individual salvation and corporate sanctification. We're saved as individuals but sanctified in community, where we both receive correction and extend it to others, preserving the body's purity and unity through vigilant care for one another's spiritual state.

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Historical & Cultural Context

Deuteronomy 29:18 warned against Israelites who secretly served other gods while appearing faithful—their hidden idolatry would eventually defile others. Hebrews applies this to Christian communities facing persecution where bitterness toward God, disappointment over unfulfilled expectations, or resentment of suffering could fester and spread. First-century churches struggled with false teaching (Galatians, Colossians) and interpersonal bitterness (Corinth, Philippi). The warning to watch diligently reflects early Christian recognition that communities must actively guard against doctrinal drift and moral compromise through mutual oversight, discipline, and encouragement. Failure to address these issues led to church corruption and apostasy.

Reflection Questions

  1. How are you actively watching to ensure neither you nor fellow believers fail to obtain God's grace?
  2. What roots of bitterness—resentment, unforgiveness, complaining—might be sprouting in your heart that could defile others?
  3. In what ways should you exercise loving oversight to prevent bitterness or apostasy from spreading in your faith community?

Original Language Analysis

Greek · 21 words
ἐπισκοποῦντες1 of 21

“Looking diligently”

G1983

to oversee; by implication, to beware

μή2 of 21

“lest”

G3361

(adverb) not, (conjunction) lest; also (as an interrogative implying a negative answer (whereas g3756 expects an affirmative one)) whether

τις3 of 21

“any”

G5100

some or any person or object

ὑστερῶν4 of 21

“fail”

G5302

to be later, i.e., (by implication) to be inferior; generally, to fall short (be deficient)

ἀπὸ5 of 21

“of”

G575

"off," i.e., away (from something near), in various senses (of place, time, or relation; literal or figurative)

τῆς6 of 21
G3588

the (sometimes to be supplied, at others omitted, in english idiom)

χάριτος7 of 21

“the grace”

G5485

graciousness (as gratifying), of manner or act (abstract or concrete; literal, figurative or spiritual; especially the divine influence upon the heart

τοῦ8 of 21
G3588

the (sometimes to be supplied, at others omitted, in english idiom)

θεοῦ9 of 21

“of God”

G2316

a deity, especially (with g3588) the supreme divinity; figuratively, a magistrate; exceedingly (by hebraism)

μή10 of 21

“lest”

G3361

(adverb) not, (conjunction) lest; also (as an interrogative implying a negative answer (whereas g3756 expects an affirmative one)) whether

τις11 of 21

“any”

G5100

some or any person or object

ῥίζα12 of 21

“root”

G4491

a "root" (literally or figuratively)

πικρίας13 of 21

“of bitterness”

G4088

acridity (especially poison), literally or figuratively

ἄνω14 of 21

“up”

G507

upward or on the top

φύουσα15 of 21

“springing”

G5453

probably originally, to "puff" or blow, i.e., to swell up; but only used in the implied sense, to germinate or grow (sprout, produce), literally or fi

ἐνοχλῇ16 of 21

“trouble”

G1776

to crowd in, i.e., (figuratively) to annoy

καὶ17 of 21

“you and”

G2532

and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words

διὰ18 of 21

“thereby”

G1223

through (in very wide applications, local, causal, or occasional)

ταὐτῆς19 of 21
G5026

(towards or of) this

μιανθῶσιν20 of 21

“be defiled”

G3392

to sully or taint, i.e., contaminate (ceremonially or morally)

πολλοί21 of 21

“many”

G4183

(singular) much (in any respect) or (plural) many; neuter (singular) as adverbial, largely; neuter (plural) as adverb or noun often, mostly, largely

Study Guide

Historical Context

This verse is found in the book of Hebrews. Understanding the historical and cultural background helps illuminate its meaning for the original audience and for us today.

Theological Significance

Hebrews 12:15 contributes to our understanding of God's character and His relationship with humanity. Consider how this verse connects to the broader themes of Scripture.

Cross-References

Verses related to Hebrews 12:15 from Treasury of Scripture Knowledge

Hebrews 3:12Deuteronomy 29:18Galatians 5:42 Corinthians 6:12 John 1:81 Corinthians 15:33

Test Your Knowledge

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