Affectedly
/əˈfektɪdli/
Definition 1 of 1
Pro Tip 1/3Insincere Impression
Used when someone wants to make others think highly of them, but does so in an unauthentic way. 
She laughed affectedly at the boss's jokes, hoping for a promotion.
Pro Tip 2/3Cultural Usage
In Western cultures, talking affectedly may be viewed negatively, as trying too hard to impress. 
His affectedly posh accent made his classmates suspicious of his intentions.
Pro Tip 3/3Social Context
Appropriate in fictional settings like theatre or novels to show a character's personality traits. 
The character in the play spoke affectedly to portray her aristocratic upbringing.