2560. kakós
Lexical Summary
kakós: Bad, evil, wicked, harmful

Original Word: κακός
Part of Speech: Adverb
Transliteration: kakós
Pronunciation: kä-kos'
Phonetic Spelling: (kak-oce')
KJV: amiss, diseased, evil, grievously, miserably, sick, sore
NASB: sick, cruelly, evil, very, wretched, wrong motives, wrongly
Word Origin: [from G2556 (κακός - evil)]

1. badly
2. (figuratively, physically) sickly
3. (figuratively, morally) wrongly
4. (by extension) greatly, i.e. greatly (badly) in need
{physically or morally}

Strong's Exhaustive Concordance
amiss, badly, grievously

From kakos; badly (physically or morally) -- amiss, diseased, evil, grievously, miserably, sick, sore.

see GREEK kakos

HELPS Word-studies

Cognate: 2560 kakṓs (the adverbial form of 2556 /kakós) – sore-misery related to experiencing grievous harm (affliction).

NAS Exhaustive Concordance
Word Origin
adverb from kakos
Definition
badly
NASB Translation
cruelly (1), evil (1), ill* (5), sick (6), very (1), wretched (1), wrong motives (1), wrongly (1).

Thayer's Greek Lexicon
STRONGS NT 2560: κακῶς

κακῶς (κακός), adverb (from Homer on down), badly, ill, i. e.

a. (in a physical sense) miserably: ἔχειν, to be ill, sick (see ἔχω, II. a.), Matthew 4:24; Matthew 8:16; Matthew 9:12; Matthew 14:35; (Matthew 17:15 L Tr text WH text); Mark (Mark 1:32, 34); ; (Mark 6:55); Luke 5:31; Luke 7:2, etc.; πάσχειν, Matthew 17:15 (R G T Tr marginal reading WH marginal reading); δαιμονίζεσθαι, Matthew 15:22; κακούς κακῶς ἀπολέσει, Matthew 21:41, on this combination of words with verbs of destroying, perishing, etc., which is frequent in Greek writings also, cf. Kuinoel at the passage; Winers Grammar, § 68, 1.

b. (morally) improperly, wrongly: John 18:23; κακῶς εἰπεῖν τινα, to speak ill of, revile, one, Acts 23:5; with bad intent, αἰτεῖσθαι, James 4:3.

Topical Lexicon
Semantic Range and Nuances

Strong’s Greek 2560, kakōs, functions adverbially to describe a condition or action that is “badly,” “miserably,” or “wrongly” done or experienced. The breadth of its usage moves along two main axes: physical misery (sickness, torment) and moral fault (wrong speech, evil intent). The contexts in which kakōs appears reveal how the New Testament writers employ the term to expose both bodily affliction and ethical deviation.

Occurrences Related to Physical Affliction

Thirteen of the sixteen occurrences refer to bodily distress. The evangelists cluster the word around the healing ministry of Jesus, underscoring His compassion and authority.

Matthew 4:24; 8:16; 14:35; Mark 1:32, 34; 6:55 record crowds bringing those who were kakōs to Jesus. The emphasis lies in the totality of human misery He confronted—diseases, pain, seizures, demonic oppression—and the completeness of His cure: “and He healed them” (Matthew 4:24).

Matthew 15:22 and 17:15 stress the severity of demonic torment and epileptic suffering: “My daughter is miserably demon-possessed,” “he suffers terribly.” The adverb intensifies the desperation driving petitioners to Christ.

Matthew 9:12; Mark 2:17; Luke 5:31 employ a proverbial contrast between “healthy” and kakōs (“sick”). Jesus applies a medical metaphor to His redemptive mission: “It is not the healthy who need a doctor, but the sick.” Physical illness becomes a window into mankind’s deeper spiritual need, legitimizing the Lord’s fellowship with sinners.

Luke 7:2 presents a centurion’s valued servant who was “about to die” while kakōs, illustrating that Gentiles too could appeal to Israel’s Messiah for relief.

Occurrences Addressing Moral Wrong

The remaining three passages shift from malady to misconduct.

John 18:23: “If I spoke wrongly, testify to the wrong.” Jesus invokes legal justice; the adverb targets speech that transgresses truth.

Acts 23:5 cites Exodus 22:28 to rebuke slander of leadership: “Do not speak evil about the ruler of your people.” Paul’s swift repentance shows reverence for God-ordained authority even in a hostile courtroom.

James 4:3 diagnoses prayer hindered by selfish craving: “You ask with wrong motives, that you may spend it on your pleasures.” Here kakōs exposes inward corruption rather than external circumstance.

Theological and Pastoral Implications

1. Compassionate Christology. The repeated association of kakōs with desperate sufferers highlights the gospel portrait of Jesus as the Great Physician. Physical healing serves as a sign of the in-breaking kingdom and the reversal of Eden’s curse.

2. Holistic Salvation. By using the same adverb for sickness and sin, Scripture knits together the human plight. Jesus heals bodies and restores righteousness, pointing toward ultimate wholeness in resurrection.

3. Missions and Mercy Ministry. The pattern of bringing the kakōs to Christ (Mark 6:55) legitimizes practical care in Christian outreach. Physical relief and gospel proclamation operate in tandem, reflecting the Lord’s own practice.

4. Ethical Speech and Authority. Kakōs condemns unjust words (John 18:23; Acts 23:5). Faithful discipleship includes guarding the tongue and honoring legitimate rulers, even when they err.

5. Prayer and Purity of Motive. James warns that requests formed kakōs are ineffective. Effective intercession springs from a heart aligned with God’s purposes, not self-indulgence.

Historical Background

In the ancient Mediterranean world, chronic illness often led to social exclusion. The Gospels’ frequent mention of the kakōs underscores the scandalous nature of Jesus’ touch; by engaging the ceremonially unclean, He subverted prevailing norms. Additionally, Greek ethical thought valued self-mastery; the New Testament re-centers morality on conformity to God’s will rather than philosophical virtue, identifying kakōs conduct as rebellion against divine authority.

Application for Contemporary Ministry

• Churches should treat visible affliction and hidden sin with equal seriousness, extending compassionate aid and doctrinal truth.
• Pastors must model respectful speech toward civil authorities, correcting error without slander.
• Believers are to examine motives in prayer and service, avoiding the kakōs orientation that seeks personal gratification over God’s glory.

Summary

Kakōs weaves through the New Testament as a thread linking bodily suffering, moral failure, and the redemptive work of Christ. Whether describing a demon-tormented child, a self-serving prayer, or malicious speech, the term exposes the darkness the Savior came to dispel. His response—healing, teaching, and atoning death—transforms both the physically kakōs and the spiritually kakōs, demonstrating the gospel’s power to make all things well.

Forms and Transliterations
κακως κακώς κακῶς kakos kakôs kakōs kakō̂s
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Englishman's Concordance
Matthew 4:24 Adv
GRK: πάντας τοὺς κακῶς ἔχοντας ποικίλαις
KJV: all sick people
INT: all sick who were by various

Matthew 8:16 Adv
GRK: πάντας τοὺς κακῶς ἔχοντας ἐθεράπευσεν
KJV: all that were sick:
INT: all who sick were he healed

Matthew 9:12 Adv
GRK: ἀλλ' οἱ κακῶς ἔχοντες
NAS: a physician, but those who are sick.
KJV: but they that are sick.
INT: but they who sick are

Matthew 14:35 Adv
GRK: πάντας τοὺς κακῶς ἔχοντας
NAS: and brought to Him all who were sick;
KJV: all that were diseased;
INT: all those who sick were

Matthew 15:22 Adv
GRK: θυγάτηρ μου κακῶς δαιμονίζεται
NAS: my daughter is cruelly demon-possessed.
KJV: daughter is grievously vexed with a devil.
INT: daughter of me miserably is possessed by a demon

Matthew 17:15 Adv
GRK: σεληνιάζεται καὶ κακῶς πάσχει πολλάκις
NAS: for he is a lunatic and is very ill;
KJV: he is lunatick, and sore vexed: for
INT: he is epileptic and miserably suffers often

Matthew 21:41 Adv
GRK: αὐτῷ Κακοὺς κακῶς ἀπολέσει αὐτούς
NAS: wretches to a wretched end,
KJV: unto him, He will miserably destroy
INT: to him wretches miserably he will destroy them

Mark 1:32 Adv
GRK: πάντας τοὺς κακῶς ἔχοντας καὶ
KJV: that were diseased, and
INT: all who sick were and

Mark 1:34 Adv
GRK: ἐθεράπευσεν πολλοὺς κακῶς ἔχοντας ποικίλαις
KJV: that were sick of divers
INT: he healed many [who] sick were of various

Mark 2:17 Adv
GRK: ἀλλ' οἱ κακῶς ἔχοντες οὐκ
NAS: but those who are sick; I did not come
KJV: but they that are sick: I came not
INT: but they who sick are not

Mark 6:55 Adv
GRK: κραβάττοις τοὺς κακῶς ἔχοντας περιφέρειν
NAS: those who were sick, to the place
KJV: those that were sick, where
INT: mats those [that] sick were to carry about

Luke 5:31 Adv
GRK: ἀλλὰ οἱ κακῶς ἔχοντες
NAS: a physician, but those who are sick.
KJV: but they that are sick.
INT: but they who sick are

Luke 7:2 Adv
GRK: τινος δοῦλος κακῶς ἔχων ἤμελλεν
NAS: was highly regarded by him, was sick and about
KJV: unto him, was sick, and ready to die.
INT: a certain servant sick being was about

John 18:23 Adv
GRK: Ἰησοῦς Εἰ κακῶς ἐλάλησα μαρτύρησον
NAS: I have spoken wrongly, testify
KJV: If I have spoken evil, bear witness of
INT: Jesus If evil I spoke bear witness

Acts 23:5 Adv
GRK: οὐκ ἐρεῖς κακῶς
NAS: YOU SHALL NOT SPEAK EVIL OF A RULER
KJV: not speak evil of the ruler of thy
INT: not you will speak of evil

James 4:3 Adv
GRK: λαμβάνετε διότι κακῶς αἰτεῖσθε ἵνα
NAS: you ask with wrong motives, so
KJV: ye ask amiss, that
INT: receive because wrongly you ask that

Strong's Greek 2560
16 Occurrences


κακῶς — 16 Occ.

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