1. to behave in an artificial or exaggerated manner, often pretending to have feelings or qualities one does not actually possess
She acts affectedly whenever guests arrive, pretending to be more refined than she really is.
Ela age afetadamente sempre que convidados chegam, fingindo ser mais refinada do que realmente é.
2. to display artificial or insincere emotion or behavior
The actor was criticized for acting affectedly in the dramatic scene.
O ator foi criticado por agir afetadamente na cena dramática.