D defs.my
Entry 2 senses Webster, 1913

Interested

/(ĭn"tẽr*ĕst*ĕd)/ · In·ter·est·ed · IPA /ˈɪnt.əˌɹɛs.tɪd/
01 a. Having the attention engaged; having emotion or passion excited; as, an interested listener.
  1. 1.
    Having the attention engaged; having emotion or passion excited; as, an interested listener.
  2. 2.
    Having an interest; concerned in a cause or in consequences; liable to be affected or prejudiced; as, an interested witness; an interested party.