Pronunciation: (in'tur-ist, -trist),[key] —n. 1. the feeling of a person whose attention, concern, or curiosity is particularly engaged by something: She has a great interest in the poetry of Donne. 2. something that concerns, involves, draws the attention of, or arouses the curiosity of a person: His interests are philosophy and chess. 3. power of exciting such concern, involvement, etc.; quality of being interesting: political issues of great interest. 4. concern; importance: a matter of primary interest. 5. a business, cause, or the like in which a person has a share, concern, responsibility, etc.
6. a share, right, or title in the ownership of property, in a commercial or financial undertaking, or the like: He bought half an interest in the store. 7. a participation in or concern for a cause, advantage, responsibility, etc.
8. a number or group of persons, or a party, financially interested in the same business, industry, or enterprise: the banking interest. 9. interests,the group of persons or organizations having extensive financial or business power.
10. the state of being affected by something in respect to advantage or detriment: We need an arbiter who is without interest in the outcome. 11. benefit; advantage: to have one's own interest in mind. 12. regard for one's own advantage or profit; self-interest: The partnership dissolved because of their conflicting interests. 13. influence from personal importance or capability; power of influencing the action of others.
14. Finance. a. a sum paid or charged for the use of money or for borrowing money.
b. such a sum expressed as a percentage of money borrowed to be paid over a given period, usually one year.
15. something added or thrown in above an exact equivalent: Jones paid him back with a left hook and added a right uppercut for interest. 16. in the interest(s) of, to the advantage or advancement of; in behalf of: in the interests of good government.
—v.t. 1. to engage or excite the attention or curiosity of: Mystery stories interested him greatly. 2. to concern (a person, nation, etc.) in something; involve: The fight for peace interests all nations. 3. to cause to take a personal concern or share; induce to participate: to interest a person in an enterprise. 4. to cause to be concerned; affect.