רָעַד
to shudder (more or less violently)
Definition
The Hebrew verb רָעַד (râʻad) means to tremble, quake, or shudder, often describing a physical shaking due to fear, awe, or divine presence. In Ezra 10:9, it describes the people trembling in response to a serious national crisis and God's command. In Job 4:14, it depicts the physical shuddering of fear that accompanies a terrifying vision. Most powerfully, in Psalm 104:32, it describes the earth itself trembling at the mere look of God, expanding its meaning to cosmic-scale awe. In Daniel 10:11, Daniel is told not to tremble in fear before a heavenly messenger, showing it can be a human reaction to the supernatural.
Biblical Usage
This verb is used in diverse contexts across four Old Testament books. It describes human emotional and physical fear in response to divine commands (Ezra 10:9) or heavenly visions (Daniel 10:11, Job 4:14). Its most significant usage is metaphorical, applying the trembling to the earth itself as a reaction to God's majestic power (Psalm 104:32). The pattern shows it moves from a simple human physical reaction to a term describing creation's response to the Creator.
Etymology
רָעַד (râʻad) is a primitive root verb. Its core meaning relates to shaking or quaking. Cognates exist in other Semitic languages, like Arabic and Aramaic, with similar meanings of trembling or agitation, confirming its fundamental sense of violent motion.
Semantic Range
This word is theologically significant as it bridges human experience and cosmic reality. It captures the proper human posture—trembling—before God's holiness, word, and messengers (Ezra 10:9, Daniel 10:11). Most importantly, in Psalm 104:32, it describes creation's involuntary awe before its Creator, teaching that all of reality is subject to and responds to God's sovereign presence. Understanding this Hebrew term enriches reading by highlighting the physical, emotional, and cosmic dimensions of fearing the Lord.
In the ancient Near Eastern context, trembling was a recognized physical manifestation of encountering the divine or the supernatural. The use of this word for both people and the earth (Psalm 104:32) reflects a worldview where the natural world was personally responsive to God's actions, not merely an impersonal object.
חָרַד (chârad, H2729) — more common verb for trembling, often from fear or alarm. פָּחַד (pâchad, H6342) — to dread or be in awe, focusing more on the internal emotion than the physical shaking. גּוּשׁ (gûsh, H1481) — to shake or totter, often used for mountains or earth.
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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