mannerism
noun
1 [C] a particular habit or way of speaking or behaving that sb has but is not aware of:
nervous / odd / irritating mannerisms
2 [U] too much use of a particular style in painting or writing
3 (Mannerism) a style in 16th century Italian art that did not show things in a natural way but made them look strange or out of their usual shape

• Từ đồng nghĩa / Synonyms: affectation   pose   affectedness   idiosyncrasy   foible