What does trait mean?
A trait is a distinguishing quality or characteristic that helps identify a person, group, organism, or thing. The term is especially common in psychology and personality discussion, where it denotes a relatively stable tendency, such as conscientiousness or extraversion, that can shape behavior across situations. In biology, trait refers to an observable or inherited characteristic, such as eye color or a disease susceptibility. Outside specialized fields, the word has a broad everyday meaning: any quality that is noticed as distinctive, whether admired or disliked. Because it denotes a feature rather than the whole of a person or object, trait often implies comparison: what distinguishes one thing from another? The word is correspondingly versatile, appearing in discussions of literature, art, personality, genetics, and everyday observation. It can sound more analytical than characteristic, which is often more neutral or descriptive. A trait may be deliberate or learned, biological or acquired, so the word itself conveys no single explanation for why a quality is present. That breadth makes trait useful whenever the focus is on a recognizable, distinguishing feature.
nounA distinguishing quality or characteristic of a person, group, organism, or thing, especially one that helps identify or classify it.
- A distinguishing quality or characteristic of a person, group, organism, or thing.
- A relatively stable psychological characteristic or behavioral tendency, such as conscientiousness or extraversion.
- A biological or genetic characteristic, especially one that may be inherited.
"Her quiet persistence was a trait that impressed everyone on the team."
"Curiosity is an important trait in a successful researcher."
"The wheat's resistance to drought was studied as a potentially useful genetic trait."
The standard plural is traits, used for several distinguishing qualities or characteristics.
"The study compared several personality traits across the two groups."
Trait began life as a “line or stroke”—a fitting origin for a word that now marks what makes someone or something distinctive.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does trait come from?
The word entered Middle English from French trait, originally meaning “line or stroke,” a usage traceable to Latin tractus, the past participle of trahere, “to draw.” The modern sense “a distinguishing characteristic” is recorded from the early 17th century. Latin trahere is also the source of cognates such as traction, tractor, tractable, and extract.
Related word forms
How trait is actually used
This is a broad, generally neutral term. In personality research it usually denotes a measurable tendency, while in biology it emphasizes a characteristic that can be described or inherited.
Easily confused with trait
A trade is an occupation or commercial activity, whereas a trait is a distinguishing quality or characteristic.