Definitions
1.verbTo engage the attention of; to awaken interest in; to excite emotion or passion in, in behalf of a person or thing."Action films don't really interest me."
2.verbTo be concerned with or engaged in; to affect; to concern; to excite.
3.verbTo cause or permit to share.
4.adjectiveHaving or showing interest."I'm very interested in going to see that play."
5.adjectiveMotivated by considerations of self-interest; self-serving.
6.adjectiveOwning a share of a company.