As verbs the difference between infested and affected
is that infested
) while affected
As an adjective affected is
influenced or changed by something.
As a noun affected is
someone , as by a disease.
To inhabit a place in unpleasantly large numbers
(pathology, of a parasite) To invade a host plant or animal
- Insects are infesting my basement!
(obsolete) mischievous; hurtful; harassing
influenced or changed by something
simulated in order to impress
- The affected compass was impossible to use, so we got lost.
Emotionally moved; touched.
(algebra, archaic) adfected
- He spoke with an affected English accent.
Resulting from a mostly negative physical effect or transformation
- an affected equation
Someone , as by a disease.
- The thunderstorm affected the compass, and we got lost.