How to say "thunder" in Japanese

Choosing the right word
  • 雷かみなりJLPT N3approx.Common
    nounThe broad word for the storm phenomenon as a whole, covering lightning, thunder, and the thunderbolt; use it when you mean thunder in a general sense rather than the sound alone.
    子供達こどもたちは雷かみなりにおびえた。↗
    The thunder scared the children.
  • 雷鳴らいめいCommon
    nounCovers thunder specifically as a sound — a thunderclap or crash of thunder; choose it when describing what is heard during a storm, such as a sudden loud rumble.
    私わたしたちは雷鳴らいめいを聞きいた。↗
    We heard the crack of thunder.

Use 雷 for thunder as part of the storm phenomenon generally, alongside lightning and the thunderbolt, and 雷鳴 when you mean the sound itself — a clap or crash of thunder.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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