* "His constant use of obscure vocabulary was nothing more than an affectation, meant to impress rather than communicate." (This sentence implies that the vocabulary is being used for show, not for genuine communication.)
* "She tried to adopt a British accent, but it came off as an affectation and only made her sound pretentious." (This sentence highlights how an affectation can make someone appear insincere or artificial.)
* "Despite her wealth and social standing, she avoided affectation and treated everyone with genuine kindness." (This sentence contrasts affectation with authentic behavior.)
The key to using "affectation" effectively is to emphasize the artificiality or insincerity of someone's behavior. It suggests that the action is being performed for external reasons, rather than out of genuine feeling or need.