Dominant

/ˈdɑː.mə.nənt/

Meaning & Definition

noun
A dominant individual or species within a particular context or environment.
The dominant in the group often makes the decisions for the rest of the members.
adjective
Most influential, powerful, or important.
In the animal kingdom, the lion is often seen as the dominant predator.
Genetically controlling the expression of a characteristic.
The dominant allele for brown eyes will be expressed over the recessive allele for blue eyes.
Pertaining to a chord that establishes the key in music.
In the key of C major, G is the dominant chord.

Etymology

From Latin 'dominans', present participle of 'dominare', meaning 'to rule'.

Common Phrases and Expressions

dominant gene
A gene that will produce a certain phenotype regardless of the other allele present.
dominant attitude
A mindset characterized by assertiveness and confidence.
dominant culture
The culture that is most widely accepted and practiced in a society.

Related Words

dominate
To exert control or influence over; to command.
dominance
The state of being dominant; control or influence over others.
dominion
Sovereignty; control; the territory of a sovereign or government.

Slang Meanings

Top dog
In any group project, she always wants to be the top dog.
Boss
He acts like he’s the boss just because he’s the dominant one in the group.