An individual who is at ease and self-assured; one who is calm and composed in interactions with others.
A person who performs or appreciates jazz, especially one whose style of speech and movement is relaxed and rhythmic.
A person who is indifferent or apathetic.
Indicating or reflecting a lack of concern or care.
Ambivalent; unconcerned; uninterested, apathetic.
Having no preference.
Mediocre (usually used negatively in modern usage).
Not making a difference; without significance or importance.
Being in the state of neutral equilibrium.