"interested" in the verb sense
1. interest
excite the curiosity of engage the interest of
2. concern, interest, occupy, worry
be on the mind of
"I worry about the second Germanic consonant shift"
3. matter to, interest
be of importance or consequence
"This matters to me!"
"interested" in the adjective sense
1. interested
having or showing interest especially curiosity or fascination or concern
"an interested audience"
"interested in sports"
"was interested to hear about her family"
"interested in knowing who was on the telephone"
"interested spectators"
2. concerned, interested
involved in or affected by or having a claim to or share in
"a memorandum to those concerned"
"an enterprise in which three men are concerned"
"factors concerned in the rise and fall of epidemics"
"the interested parties met to discuss the business"
Source: WordNet® (An amazing lexical database of English)
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