the coloring of a person's face
"Her complexion brightened instantly when she saw her friends arriving for dinner."
a combination that results from coupling or interlinking
"diphthongs are complexions of vowels"
a point of view or general attitude or inclination
"he altered the complexion of his times"
"a liberal political complexion"
texture and appearance of the skin of the face
"The severe winter wind left her complexion rough and red, making it difficult to apply makeup evenly."
(obsolete) a combination of elements (of dryness and warmth or of the four humors) that was once believed to determine a person's health and temperament
"The old herbalist would have prescribed bitter herbs for my hot, moist complexion, though modern doctors know such ancient theories are no longer valid."
The combination of humours making up one's physiological "temperament", being either hot or cold, and moist or dry.
"The old physician insisted that her sallow face proved a complex complexion caused by an excess of bile and phlegm."
To give a colour to.
"The sunset gave the water a golden complexion."