dominance

noun

dom·​i·​nance ˈdä-mə-nən(t)s 

ˈdäm-nən(t)s

1

: the fact or state of being dominant: such as

a

sociology : controlling, prevailing, or powerful position especially in a social hierarchy (see hierarchy sense 2)

male dominance

political dominance

companies competing for dominance in the market

dominance over their rivals

b

genetics : the property of one of a pair of alleles or traits that suppresses expression (see expression sense 1b(4)) of the other in the heterozygous condition

c

ecology : the influence or control over ecological communities exerted by a dominant (see dominant entry 2 sense 2b)

2

biology : functional (see functional sense 1b) asymmetry between a pair of bodily structures (such as the right and left hands)

right brain dominance

Synonyms of dominance

• domination
• supremacy
• dominion
• sovereignty

Examples of dominance in a Sentence

although Napoléon had achieved dominance over the European continent, Great Britain still ruled the waves

the professor's dominance in the field of ancient Greek history

Recent Examples on the Web

The riotous 640-page doorstopper grapples with homophobia then and now, the lingering specter of colonialism, the tumult of the AIDS crisis, and frameworks of power that demand dominance or submission. — Kat Chen, Condé Nast Traveler, 23 Sep. 2026

In reality, there are at least two races, one for intelligence and one for market dominance. — Ashley Belanger, ArsTechnica, 23 Sep. 2026

The 1991 Gulf War made the region a proving ground for American dominance at its global peak. — Becky Anderson, CNN Money, 22 Sep. 2026

Russia's first wartime parliamentary election was due to end Sunday, virtually devoid of opposition to President Vladimir Putin's policies and all but certain to cement the Kremlin’s dominance. — ABC News, 20 Sep. 2026

Word History

Etymology

see dominant entry 1

First Known Use

1819, in the meaning defined at sense 1

Phrases Containing dominance

• apical dominance
• law of dominance

Rhymes for dominance

• prominence
• predominance

Kids Definition

dominance

noun

dom·​i·​nance ˈdäm-(ə-)nən(t)s 

: the fact or state of being dominant: as

a

: the dominant position of an individual in a series of social ranks or levels

b

: the property of one of a pair of alternate forms of a gene or character that prevents or masks expression of the other when both are present in the heterozygous condition

c

: the control or influence over the environment of an ecological community that a dominant has

d

: greater activity and usage of one of a pair of body parts (as the right hand compared to the left hand)

Medical Definition

dominance

noun

dom·​i·​nance ˈdäm(-ə)-nən(t)s 

: the fact or state of being dominant: as

a

: the relative position of an individual in a social hierarchy compare pecking order

b

: the property of one of a pair of alleles or traits that suppresses expression of the other in the heterozygous condition

c

: functional asymmetry between a pair of bodily structures (as the right and left hands)