The term "affected" has several meanings, depending on its context. Generally speaking, it can refer to something that is influenced or changed by a particular condition or situation. In some cases, it may also suggest being insincere or pretentious in behavior or speech. Here are the different definitions of affected:
1) Impacted or altered by an external force; for example, "The storm has greatly affected our plans."
2) Showing signs of a particular condition or disease; for instance, "He was affected with fever after his surgery."
3) Pretending to have emotions one does not truly feel; insincere. For example, "Her acting was so over-the-top that it seemed fake and affected."
4) Unusual or eccentric in behavior or appearance; distinctive. Example: "The singer's affected mannerisms drew attention away from her voice."