How to say "static" in Japanese

Choosing the right word

静的せいてきJLPT N1approx.Common
na-adjectiveThe adjective sense: describing something unchanging, motionless, or showing no development, as in a static situation or image. It is not the word for crackling radio noise.
雑音ざつおんJLPT N2approx.Common
nounThe noun sense: unwanted electrical noise or interference, especially the crackling static heard on a radio. It also covers noise in general, meaning unwanted or intrusive sound.
ラジオに雑音ざつおんが入はいる。↗
The radio is disturbed by noises.

Use 静的 for the adjective 'static' meaning unchanging or motionless, and 雑音 for the noun meaning crackling radio interference or noise; the two words cover entirely different senses.

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

Japanese equivalents

静的せいてきstatic
スタティックstatic
静態せいたいstatic
空電くうでんstatic
雑音ざつおんinterference (e.g. radio)

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

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