📖 Biblical Definition
A specific form of divination — reading the positions of celestial bodies as influences on human character or future events. Scripture's category for it is observing times (Heb. onen, Lev 19:26) and star-gazing (Isa 47:13). The prohibition is the same as for divination generally: it treats the stars (which God made to serve, Gen 1:14-18) as if they ruled human destiny in place of their Creator. The modern face of astrology is enormously larger than its biblical-era face: newspaper horoscopes, dating-app sign-compatibility, astrology apps with millions of subscribers, and the pervasive cultural sense that my sign explains me. All of it falls within the same biblical prohibition.
📜 Webster 1828 Definition
Reading stars as influences on human destiny; biblical category observing times; same prohibition as divination.
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ASTROLOGY, n. Greek astron + logos. The practice of interpreting celestial-body positions as influences on human character or future events. Distinguished sharply from astronomy (the legitimate scientific study of stellar phenomena). Biblical category: observing times (Hebrew onen, Lev 19:26) and star-gazing (Isa 47:13). The prohibition rests on the creation-order placement of the stars: God made them for signs, seasons, days, and years (Gen 1:14-18) — to serve, not to rule. Astrology inverts that order and treats the servants as the masters.
📖 Key Scripture
Isaiah 47:13-14 — "Thou art wearied in the multitude of thy counsels. Let now the astrologers, the stargazers, the monthly prognosticators, stand up, and save thee from these things that shall come upon thee. Behold, they shall be as stubble; the fire shall burn them."
Deuteronomy 4:19 — "And lest thou lift up thine eyes unto heaven, and when thou seest the sun, and the moon, and the stars, even all the host of heaven, shouldest be driven to worship them, and serve them, which the LORD thy God hath divided unto all nations under the whole heaven."
Jeremiah 10:2 — "Thus saith the LORD, Learn not the way of the heathen, and be not dismayed at the signs of heaven; for the heathen are dismayed at them."
Genesis 1:14-18 — "And God said, Let there be lights in the firmament of the heaven to divide the day from the night; and let them be for signs, and for seasons, and for days, and years... And God set them in the firmament of the heaven to give light upon the earth."
⚠️ Modern Corruption
A Deut 4:19 and Isa 47 abomination has been so thoroughly normalized that what's your sign is small-talk and the stars are credited with ruling personalities they were made to serve.
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Astrology may be the most successfully normalized of all the divinatory practices Scripture forbids. What's your sign? functions as small talk. Dating apps prominently display star-sign. Birth-chart readings are gifted at baby showers. Major media run horoscopes in their lifestyle sections. The cultural assumption that your sign explains your personality is so widespread that Christians often participate without recognizing it as the Lev 19:26 / Isa 47 category.
Scripture's framing is the opposite of astrology's. The stars God made are servants — for signs, for seasons, for days and years (Gen 1:14-18). They are not rulers of human character. The Christian recovers the creation-order reading: enjoy the night sky; learn astronomy; teach your children the constellations; refuse the apps, the readings, and the cultural reflex that credits the stars with what only the LORD does. Jeremiah 10:2 gives the disposition: be not dismayed at the signs of heaven; for the heathen are dismayed at them.
🔗 Greek & Hebrew Roots
Greek astron + logos; biblical observing times (Lev 19:26), star-gazing (Isa 47:13).
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['Greek', 'G798', 'astron', 'star, constellation']
['Hebrew', 'H6049', 'anan', 'to observe times (Lev 19:26)']
['Hebrew', 'H1895', 'habar', 'astrologer, dividing (Isa 47:13)']
Usage
"Distinguish astronomy (good science) from astrology (forbidden divination)."
"Stars are servants for signs and seasons (Gen 1:14-18), not rulers of personality."
"Refuse the apps, the readings, and the small-talk reflex."