2. a combination that results from coupling or interlinking;
"diphthongs are complexions of vowels"
3. a point of view or general attitude or inclination;
"he altered the complexion of his times"
"a liberal political complexion"
4. texture and appearance of the skin of the face
5. (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