### Core Meaning & Semantic Range
The Hebrew root **hâbal**, represented by `{{H1891}}`, is a primitive root defined as **to be vain in act, word, or expectation; specifically to lead astray; be (become, make) vain**. This word, which appears **5 times** across **5 unique verses**, describes the process of being led into or becoming spiritually empty and futile.
### Biblical Occurrences & Contextual Analysis
In biblical usage, `{{H1891}}` describes the state that results from turning away from God. It is frequently paired with the noun for "vanity" `{{H1892}}`, illustrating a direct cause and effect; the people of Israel "followed vanity `{{H1892}}`, and became vain `{{H1891}}`" [[2 Kings 17:15]]. This occurred after they rejected God's statutes and covenant. Jeremiah echoes this, asking why the fathers went far from God, "and have walked after vanity `{{H1892}}`, and are become vain `{{H1891}}`?" [[Jeremiah 2:5]]. The term is also used to describe the effect of false prophets who "make you vain" by speaking a vision from their own hearts instead of from the LORD [[Jeremiah 23:16]]. It serves as a warning not to "become not vain in robbery" [[Psalms 62:10]], linking the state to misplaced trust in unjust gain.
### Related Words & Concepts
Several related words help contextualize the concept of becoming vain:
* `{{H1892}}` **hebel** (emptiness or vanity): This noun form represents the worthless substance or idea that one pursues. Following it is the direct cause of the action of `{{H1891}}`, as seen when the people "followed vanity `{{H1892}}`, and became vain `{{H1891}}`" [[2 Kings 17:15]].
* `{{H3988}}` **mâʼaç** (to spurn; reject): This action precipitates the state of becoming vain. It was after Israel "rejected `{{H3988}}` his statutes" that they became vain [[2 Kings 17:15]].
* `{{H5012}}` **nâbâʼ** (to prophesy): When this action is performed falsely, it becomes a mechanism for leading people into vanity. God warns against prophets whose false prophesying will "make you vain" [[Jeremiah 23:16]].
* `{{H3212}}` **yâlak** (to walk): This word often describes a way of life. The act of becoming vain is tied to how one lives, specifically to having "walked `{{H3212}}` after vanity" [[Jeremiah 2:5]].
### Theological Significance
The theological significance of `{{H1891}}` is a warning against spiritual decay.
* **The Consequence of Rejection:** To "become vain" is presented as the direct spiritual result of rejecting God's covenant and testimonies. It is not a random state but a consequence of active disobedience [[2 Kings 17:15]].
* **The Danger of False Teaching:** The term highlights the destructive power of guidance that does not originate from God. False prophets lead people into a state of vanity by speaking visions "of their own heart, and not out of the mouth of the LORD" [[Jeremiah 23:16]].
* **The Futility of Misplaced Trust:** The act of becoming vain is tied to where one places value and trust. The warning not to become vain in robbery suggests that reliance on anything apart from God, such as unjust riches, leads to an empty and futile existence [[Psalms 62:10]].
### Summary
In summary, `{{H1891}}` **hâbal** conveys more than simple emptiness; it describes the active process of becoming futile and spiritually void. It stands as a biblical caution that when people reject God's revealed will, follow human-centric guidance, or walk after worthless things, the inevitable result is that they themselves "become vain." It captures the essence of a life that has strayed from its true source of meaning and purpose.