📖 Biblical Definition
A sign in Scripture is a visible, concrete reality that points beyond itself to God's character, covenant, or redemptive purpose. Signs are not ends in themselves — they signify. The rainbow is a sign of God's covenant with Noah (Gen 9:12–13). Circumcision is a sign of the Abrahamic covenant (Gen 17:11). The Sabbath is a sign between God and Israel (Exod 31:13). In John's Gospel, Jesus' miracles are consistently called "signs" (sēmeia) — not merely demonstrations of power but revelations of who Jesus is and what God is doing. The Pharisees' demand for a sign (Matt 12:38–39) was condemned not because signs are wrong but because they sought a sign to avoid faith — using signs as substitutes for belief rather than aids to it. The ultimate sign is the resurrection: "the sign of Jonah" (Matt 12:40).
📜 Webster 1828 Definition
SIGN — A token; that by which anything is shown or represented; a mark of distinction; a wonder or miracle intended a...
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SIGN — A token; that by which anything is shown or represented; a mark of distinction; a wonder or miracle intended as evidence or proof of divine authority; an outward mark or visible representation of something intended to be known or remembered. Signs and wonders frequently occur together in Scripture to describe God's mighty acts in redemption.
📖 Key Scripture
• John 20:30–31 — "Jesus performed many other signs…but these are written so that you may believe."
• Genesis 9:12–13 — "This is the sign of the covenant I make…I have set my bow in the cloud."
• Matthew 12:39–40 — "An evil and adulterous generation seeks for a sign…no sign will be given except the sign of Jonah."
• Exodus 31:13 — "You are to keep my Sabbaths…it is a sign between me and you throughout your generations."
• Isaiah 7:14 — "Therefore the Lord Himself will give you a sign. Behold, the virgin shall conceive and bear a son."
⚠️ Modern Corruption
Contemporary Christianity has split into two equally dangerous errors regarding signs.
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Contemporary Christianity has split into two equally dangerous errors regarding signs. Sign-chasers treat signs as the goal — demanding miraculous experiences as validation of faith, building spirituality on subjective signs rather than objective Word. Sign-deniers dismiss all signs as the province of a less sophisticated age, intellectualizing away the supernatural. Scripture navigates between both: signs serve the Word, they do not replace it. Signs point; they do not prove. "Blessed are those who have not seen and yet have believed" (John 20:29) is not a rejection of signs but the recognition that faith does not ultimately stand on visible evidence — it stands on the Word of God himself.
🔗 Greek & Hebrew Roots
H226 — ot (אוֹת): sign, mark, token; the fundamental Hebrew word for covenantal and miraculous signs, including the m...
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H226 — ot (אוֹת): sign, mark, token; the fundamental Hebrew word for covenantal and miraculous signs, including the marks on Cain (Gen 4:15) and the Passover blood (Exod 12:13).
G4592 — sēmeion (σημεῖον): sign; John's theological term for Jesus' miracles — they signify divine identity and mission, not merely power.
G5059 — teras (τέρας): wonder, portent; never used alone in NT — always with sēmeion — emphasizing that wonders must point to something beyond themselves.
🌐 Proto-Language Roots
Latin signum ("mark, token, signal") → Old French signe → English "sign" → Related: signal, signature, signify, sig...
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Latin signum ("mark, token, signal") → Old French signe → English "sign"
→ Related: signal, signature, signify, significant, insignia, signet
Hebrew:
אוֹת (ot, H226) — sign, mark, token, pledge; 79 occurrences in OT
→ Used for covenant signs (rainbow, circumcision, Sabbath), miraculous signs (plagues), and prophetic signs
מוֹפֵת (mopheth, H4159) — wonder, portent; often paired with ot in "signs and wonders"
Greek:
σημεῖον (sēmeion, G4592) — sign, distinguishing mark; John's preferred miracle-word (17x in John)
τέρας (teras, G5059) — wonder, portent; always paired with sēmeion in NT
→ "signs and wonders" (σημεῖα καὶ τέρατα) is a unified phrase
Usage
• "A sign that doesn't point you to God is not a sign — it's a spectacle. Spectacles entertain; signs direct."
• "The rainbow is not just beautiful weather. It is a signed covenant — God's public oath never to destroy the earth by flood again."
• "Jesus turned water to wine as a sign — not to supply a party but to reveal his glory and prompt his disciples to believe (John 2:11)."