How to say "dominant" in Japanese

• 支配的しはいてきCommon
  na-adjectiveThe general word for 'dominant' in the sense of ruling or prevailing over others — a dominant position, group, or influence. This is the word you want in everyday and figurative contexts.
  これは、この現象げんしょうにおいて支配的しはいてきな要素ようそを決定けっていするという問題もんだいである。↗

  The problem is one of determining the dominant factors in this phenomenon.
• ドミナント
  nounThe loanword for 'dominant' in music, referring to the dominant note or chord. Used mainly in musical discussion and instruction; not for general senses of 'dominant'.
• 属音ぞくおん
  nounThe technical music-theory term for the dominant note, the fifth degree of the scale. Specialized vocabulary; for the chord, ドミナント is the usual way to say it.
• 優性ゆうせい
  no-adjective'Dominant' in the genetics sense, describing a dominant trait or allele as opposed to recessive. Rare outside biology; never use it for general or musical senses.

Use 支配的 for general or figurative dominance; 「ドミナント」 and 属音 for the musical dominant (note/chord); 優性 for genetic dominance.

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

• 支配的しはいてきdominant
• ドミナントdominant (note, chord)
• 属音ぞくおんdominant (note)
• 優性ゆうせいdominant