G1027, brontḗ, is a Greek noun for thunder. It names the sound itself, appears in the nickname Sons of Thunder, reports a crowd's interpretation of a heavenly voice, and supplies thunder-like sound imagery throughout Revelation. The noun can be singular or plural, and a voice may be compared to thunder without becoming meteorological thunder. Sound, speaker, source, and literary genre determine what the passage is saying.
Mark 3 records Jesus naming James and John Boanerges, Sons of Thunder. The verse does not explain the nickname or praise aggression. Later episodes show the brothers needing correction, and the Gospel's path of discipleship remains shaped by Jesus' service and suffering. G1027 cannot turn forceful personality, loud preaching, or anger into a spiritual gift. In John 12, the Father answers Jesus' prayer to glorify His name.
The crowd hears the event, but some say it thundered and others that an angel spoke. Their disagreement shows that an impressive sound does not interpret itself. Jesus explains that the voice was for their benefit and speaks of judgment, His lifting up, and the defeat of the ruler of this world. Teachers should follow His explanation rather than construct a theology from the crowd's guesses.
Revelation repeatedly joins thunder with lightning, rumblings, earthquake, throne, seals, temple, judgment, and worship. These sounds contribute to apocalyptic scenes of divine majesty and decisive action. Sometimes a creature's voice is like thunder; sometimes many worshipers sound like mighty thunder. The comparison communicates force and scale, not permission to identify every thunderstorm with one vision's event.
Revelation 10 establishes an especially important limit. Seven thunders speak, John prepares to write, and a heavenly voice commands him to seal what they said and not record it. The passage preserves withheld revelation. It directly resists interpreters who claim to recover the sealed message through codes, private visions, numerology, or weather events. Revelation 19 compares the praise of a great multitude to mighty thunder as they celebrate the reign of the Lord God Almighty and the marriage of the Lamb.
The sound serves corporate worship centered on God, not a human performer. G1027 therefore helps readers hear awe without surrendering discernment. Thunder can be a natural sound, a nickname, a mistaken explanation, a simile, or part of visionary imagery. Scripture gives the interpretation; volume alone never proves divine authority.