an essential or distinctive characteristic, property, or attribute: the chemical qualities of alcohol.
character or nature, as belonging to or distinguishing a thing: the quality of a sound.
character with respect to fineness, or grade of excellence: food of poor quality; silks of fine quality.
high grade; superiority; excellence: wood grain of quality.
a personality or character trait: kindness is one of her many good qualities.
native excellence or superiority.
an accomplishment or attainment.
good or high social position: a man of quality.
the superiority or distinction associated with high social position.
Acoustics. the texture of a tone, dependent on its overtone content, that distinguishes it from others of the same pitch and loudness.
Phonetics. the tonal color, or timbre, that characterizes a particular vowel sound.
Logic. the character of a proposition as affirmative or negative.
Thermodynamics. the proportion or percentage of vapor in a mixture of liquid and vapor, as wet steam.
social status or position.
a person of high social position: He's quality, that one is.
—adjective
of or having superior quality: quality paper.
producing or providing products or services of high quality or merit: a quality publisher.
of or occupying high social status: a quality family.
marked by a concentrated expenditure of involvement, concern, or commitment: Counselors are urging that working parents try to spend more quality time with their children.