As an adjective, it describes someone or something that is more powerful, important, or noticeable than others. As a noun, it can refer to the dominant element, such as a dominant gene or the dominant musical note in a scale.
From Latin 'dominans, dominantis', present participle of 'dominari' meaning 'to rule', from 'dominus' meaning 'lord, master'. It came through Old French into English. The sense of 'ruling over' broadened into any kind of leading or prevailing position.
In music, the 'dominant' note creates tension that wants to resolve back to the home note, or 'tonic'—a tiny drama built into every scale. In genetics, a dominant gene doesn’t shout louder; it just takes priority in what we see. Across fields, 'dominant' always points to what sets the tone for everything else.
“Dominant” has often described groups in power, including “dominant males” in both animal behavior and human social contexts, sometimes naturalizing male authority. It has also been used in sexual subcultures where gendered expectations about dominance and submission can mirror broader inequalities.
Use “dominant” descriptively for power relations without implying they are biologically or morally justified. Avoid assuming men are naturally dominant or women naturally submissive.
["leading","prevalent","majority","controlling"]
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