יָעַף
to tire (as if from wearisome flight)
Definition
The Hebrew verb יָעַף (yâʻaph) fundamentally means to become weary, tired, or exhausted. It often describes a physical or emotional state of fatigue, as when a person or animal is worn out from exertion (Isaiah 40:30). In a more vivid, metaphorical sense, it can describe the weariness of a bird from flight, implying a state of being spent or faint (Jeremiah 2:24). In some contexts, particularly in the causative form (Hiphil), it means to cause to fly or to be carried away, as seen in the scattering of a scroll in Jeremiah 51:64.
Biblical Usage
This verb is used nine times in the Old Testament, primarily in poetic and prophetic books like Isaiah, Jeremiah, and Daniel. Its usage consistently centers on the theme of exhaustion. In Isaiah 40:28-31, it contrasts human weariness with God's inexhaustible strength, a key theme. In Jeremiah, it describes the wild donkey's tireless search (Jeremiah 2:24) and the futility of human labor (Jeremiah 51:58). The causative meaning ('to cause to fly') appears in the prophecies of Babylon's fall (Jeremiah 51:64).
Etymology
יָעַף is a primitive root. Its core meaning relates to being wearied or faint. Cognate words in other Semitic languages also point to meanings of weariness or flying. The dual imagery in its usage—physical exhaustion and the flight of a bird—suggests the root may have originally conveyed the idea of being spent from rapid motion or effort.
Semantic Range
This word is theologically significant as it highlights a fundamental contrast between humanity and God. Key passages in Isaiah 40 explicitly state that God 'does not faint or grow weary' (Isaiah 40:28), while humans do. This sets the stage for the promise that those who 'wait for the LORD' will have their weariness (יָעַף) supernaturally renewed with strength (Isaiah 40:31). It underscores human limitation and divine omnipotence, making God the sole source of enduring power and hope.
In an agrarian and nomadic culture, physical weariness from labor, travel, or flight from danger was a common and deeply felt experience. The metaphor of a weary bird would resonate with people familiar with hunting and observing wildlife. Understanding this exhaustion in its concrete, physical sense enriches the metaphorical application to spiritual and emotional fatigue in the biblical text.
יָגַע (yâgaʻ, H3021) — focuses more on the labor or toil that produces weariness. לָאָה (lâʼâh, H3811) — emphasizes being weary, fatigued, or impatient, often in a more general sense. עָיֵף (ʻâyêph, H5889) — the adjectival form meaning 'weary' or 'faint,' describing the state itself.
Word Details
How this works
Hebrew definitions are from Brown-Driver-Briggs (1906) and Strong's Exhaustive Concordance (1890), both public domain. BDB was groundbreaking for its era but reflects 19th-century assumptions about Semitic etymology. Modern scholarship (HALOT, DCH) has revised many entries. Use these definitions as a starting point for exploration, not as the final word on a term's meaning in context.
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