What does agreeableness mean?
Agreeableness is the quality of being pleasant, friendly, and easy to get along with. As an everyday term, it describes a person whose manner is warm, courteous, and accommodating — someone whose company others find comfortable and enjoyable. The word also carries a precise technical meaning in psychology, where it names one of the 'Big Five' personality traits, alongside openness, conscientiousness, extraversion, and neuroticism. In this framework, agreeableness measures how cooperative, trusting, altruistic, and empathetic a person tends to be; people high in this trait are typically compassionate and eager to help, while those low in it may be more competitive or skeptical. Derived from the verb 'agree' via the adjective 'agreeable', the noun entered English in the early modern period and has long served to describe both people and things — a room, a tune, or a proposal can all possess agreeableness if they please the senses or the mind. Its connotations are almost entirely positive, making it a useful word for praising temperament without exaggeration.
nounThe quality of being pleasant, agreeable, or pleasing to others; in psychology, one of the five major dimensions of personality, characterized by cooperation, warmth, and concern for others.
- The quality of being pleasant, friendly, and considerate toward others.
- In psychology: one of the Big Five personality traits, measuring tendencies toward cooperation, altruism, and trust.
- The state or quality of being pleasing or acceptable; suitability or pleasantness of a thing.
"Her agreeableness made her a favorite among both colleagues and clients."
"His natural agreeableness put even the most difficult customers at ease."
"Participants who scored high on agreeableness tended to volunteer more often for community service."
Rarely used; the plural is grammatically valid but uncommon because agreeableness is usually treated as an uncountable abstract quality.
"Different cultures prize different agreeablenesses — some value deference, others warmth."
In personality psychology, agreeableness isn't just about being nice — it's one of the scientifically measured 'Big Five' traits that shape how you cooperate, trust, and connect with others.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of agreeableness
Agreeableness derives from the adjective 'agreeable', which entered English from Old French 'agréable', itself rooted in the Latin 'gratus' meaning pleasing or thankful. The suffix '-ness' was added to form the abstract noun denoting the quality of being agreeable. Cognates sharing the same Latin root include 'grateful' and 'ingratiating'. The word has been in use since at least the seventeenth century, developing both its general sense of pleasantness and its specialized role in modern personality psychology.
Related word forms
How agreeableness is actually used
Common in formal writing and psychological literature. In everyday speech, 'friendliness' or 'niceness' may be used instead, though these carry less precision. The psychological sense is always capitalized informally as 'A' when referring to the Big Five trait.
Easily confused with agreeableness
Agreement refers to harmony or consensus between parties, while agreeableness refers to a personal quality of being pleasant and cooperative.