### Core Meaning & Semantic Range
The Greek word **kakologéō**, represented by `{{G2551}}`, is defined as to revile, curse, or speak evil of. It is derived from a compound of κακός and λόγος. This term appears **4 times** across **4 unique verses**, where it consistently denotes a severe form of verbal condemnation or abuse directed at figures of authority or the divine.
### Biblical Occurrences & Contextual Analysis
The use of `{{G2551}}` highlights the gravity of certain speech. It is most starkly used in passages citing the law of Moses, where to **curse** one's father or mother is an offense punishable by death ([[Matthew 15:4]], [[Mark 7:10]]). The term is also used to describe the actions of those who, being hardened and disbelieving, **spake evil** of "that way" before the multitude in Ephesus [[Acts 19:9]]. In a different context, Jesus points out that a person performing miracles in His name cannot then lightly **speak evil** of Him, suggesting a deep incompatibility between exercising divine power and reviling its source [[Mark 9:39]].
### Related Words & Concepts
Several related words help clarify the context and consequence of `{{G2551}}`:
* `{{G5091}}` **timáō** (to revere): This word is presented as the direct opposite of `{{G2551}}`. The command to **honour** one's parents is contrasted with the prohibition against cursing them [[Matthew 15:4]].
* `{{G5053}}` **teleutáō** (to expire, die): This indicates the severe penalty for the act of cursing one's parents, stating that such a person should **die** the death [[Mark 7:10]].
* `{{G544}}` **apeithéō** (to disbelieve): This is linked as a cause for speaking evil. In Acts, those who **believed not** were the ones who spoke evil of the way [[Acts 19:9]].
* `{{G2967}}` **kōlýō** (to forbid, hinder): Jesus uses this word when telling his disciples not to **forbid** a man doing miracles in His name, because that person would be unable to then speak evil of Him [[Mark 9:39]].
### Theological Significance
The theological weight of `{{G2551}}` is significant, underscoring the seriousness of malicious speech.
* **Reverence for Authority:** The prohibition against cursing parents, with its associated death penalty, establishes a foundational principle of honoring God-given authority structures ([[Matthew 15:4]], [[Mark 7:10]]).
* **Expression of Unbelief:** Speaking evil of "that way" is shown to be an outward manifestation of a hardened heart and willful disbelief, directly opposing the message of the disciples [[Acts 19:9]].
* **Inconsistency with True Faith:** Jesus teaches that it is inconsistent for someone to operate in His power and simultaneously revile His name, linking right speech to genuine spiritual alignment [[Mark 9:39]].
### Summary
In summary, `{{G2551}}` is not merely about using harsh language; it signifies a profound act of reviling or cursing that carries severe consequences. Its usage reveals a clear biblical standard against speaking evil of parents, of Christ, and of the faith itself. The term illustrates how speech can be an expression of honor or deep-seated rebellion, linking the words of the mouth to the state of the heart.
TRV