Summary
Quick facts
- Strong’s Number
- G2556
- Original Word
- κακός
- Transliteration
- kakós
- Pronunciation
- kak-os'
- Part of Speech
- adjective
- Root / Etymology
- apparently a primary word;
- Frequency
- 51×
- Gematria
- 311
Where it appears
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Definition
Strong 1890 worthless (intrinsically, such; whereas G4190 (πονηρός) properly refers to effects), i.e. (subjectively) depraved, or (objectively) injurious
badevilharmillnoisomewicked
apparently a primary word;

Commentary
Contributors: · · · ·
When Goodness Becomes a Stranger
Fifty-one times the Sacred Writings speak of kakós — and each utterance is like a stone dropped into the deep waters of the soul. This word, appearing in the Greek tongue as an ancient primary root, carries within it the sound of something shattered, something that was never meant to be. The rabbis of old taught that the ear hears what the heart already knows, and when you hear kakós, your spirit recognizes a foreigner who has made itself at home in God’s good creation. It is the adjective of rupture, the description of a world that has forgotten its Maker’s original song.
The Root That Runs Deep
The word kakós belongs to a family of sounds that classical Greek used to describe what is worthless in its very substance — not merely what appears flawed, but what is rotten at the core. The ancient sages understood that language itself testifies to the order of creation, and when a word like this emerges, it marks the boundary between the garden and the wilderness. In the Septuagint, the Greek translation of the Hebrew Scriptures, kakós often carries the weight of the Hebrew ra‘ — that terrible word from the tree of knowledge, the evil that entered when humanity chose its own wisdom over the Voice that spoke light into being. The prophet Jeremiah cried out with this word when he saw Jerusalem’s wounds (Jeremiah 6:14), and the psalmist used it to describe the tongue that speaks deceit (Psalm 52:2). From classical usage to the Holy Writings, kakós never lost its scent of decay — but the Scriptures gave it a moral weight that philosophy could never bestow.
The Two Faces of Worthlessness
The apostolic witness distinguishes between kakós and its darker cousin ponērós. Where ponērós speaks of active malice, the labor of evil, kakós describes the state of being worthless in itself — a vessel so cracked that it can no longer hold water. The early church understood this distinction with aching clarity: a man may not be malicious, yet still be kakós if his life yields no fruit for the Master. The Apostle Paul used this word when he wrote that love “does not rejoice in unrighteousness” — literally, it does not dance at the sight of kakós (1 Corinthians 13:6). This is not merely the absence of evil; it is the refusal to celebrate what is hollow. The fathers of the faith observed that a soul can be kakós without committing a single outward sin — if it has grown comfortable with emptiness, if it has made peace with its own worthlessness before the Throne.
The Prophetic Anatomy of Harm
The Strong’s definition speaks of what is “intrinsically worthless,” and this is where the word cuts deepest. Kakós is not a mask that can be removed; it is the face itself. When the prophet Isaiah saw the Lord high and lifted up, he cried out that he was a man of unclean lips — and the Hebrew word behind that confession echoes the same territory as kakós. The apostolic tradition teaches that the law was given to expose this intrinsic condition, to show humanity that the disease is not in the skin but in the bone. The Apostle James asked a question that still burns: “Does a spring pour forth from the same opening both fresh and bitter water?” (James 3:11). Kakós is the bitter water, and it cannot be sweetened by human effort. It must be replaced entirely.
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The Septuagint Bridge: From Ra‘ to Kakós
When the translators of the Septuagint chose kakós to render the Hebrew ra‘, they built a bridge between two worlds. The Hebrew ra‘ appears first in the garden narrative, where the tree of the knowledge of good and evil — tov v’ra‘ — stands as the boundary of human ambition. The Greek kakós carries this entire history into the New Testament. Every time you encounter this word in the apostolic writings, you are hearing the echo of Eden’s fracture. The psalmist wrote that “no one who practices kakós will dwell with You” (Psalm 5:4, LXX), and this same word appears in the letter to the Hebrews when it speaks of the heart that falls away from the living God (Hebrews 3:12). The sages of Israel taught that the evil inclination — the yetzer hara‘ — is present from birth, and the Septuagint’s use of kakós for this concept reveals that the New Testament writers understood the struggle as cosmic, not merely personal.
The Author Who Writes with This Word
The Apostle Paul uses kakós more than any other New Testament writer, and this is no accident. Paul, the Pharisee who knew the law’s demand and the heart’s failure, understood that kakós is not merely a list of forbidden actions but a condition that pervades the human story. In his letter to the Romans, he writes that “the creation was subjected to futility” — the word for futility carries the scent of kakós, the groaning of a world that cannot save itself (Romans 8:20). The early church father Clement of Rome used this same word when he described the jealousy that brought death into the world, tracing the lineage of kakós from Cain to the present age. Paul’s emphasis on this word reveals his central conviction: the law can expose kakós, but only the Messiah can remove it.
The Messiah Who Became What We Were
Here is the mystery that turns the world upside down: the New Testament writers apply kakós to the experience of the Messiah Himself — not because He was evil, but because He carried the full weight of what we are. The Apostle Peter writes that Yeshua “committed no sin, nor was deceit found in His mouth,” yet He bore our kakós in His body on the tree (1 Peter 2:22-24). The early church understood this as the great exchange: the intrinsically worthy One became the bearer of our intrinsic worthlessness, so that we might become the righteousness of God. When Yeshua stood before Pilate, the governor asked, “What evil has He done?” — the word is kakós, and the answer was silence, because the only evil present was the one being projected onto the Lamb. He did not merely teach about kakós; He absorbed it into Himself and left it in the tomb.
Walking Away from the Ruins
You have been called out of kakós — not merely forgiven for it, but delivered from its intrinsic power. The apostolic faith teaches that you are no longer defined by what is worthless in itself, because the One who is worthy has taken up residence within you. When the enemy whispers that you are fundamentally broken, remember that the Messiah did not come to repair ruins but to raise the dead. You were kakós by nature, but you have been made kalós — good, beautiful, worthy — by the blood that speaks a better word than the one spoken in Eden. Walk today as one who has been transferred from the kingdom of intrinsic worthlessness into the kingdom of the Beloved Son. Let every breath you take be a testimony that the spring has been changed, and only sweet water now flows from your lips.