Definition of interest :
1. Advantage, personal or general; good, regarded as a selfish benefit; profit; benefit.
2. Any excess of advantage over and above an exact equivalent for what is given or rendered.
3. Excitement of feeling, whether pleasant or painful, accompanying special attention to some object; concern.
4. Participation in advantage, profit, and responsibility; share; portion; part; as, an interest in a brewery; he has parted with his interest in the stocks.
5. Premium paid for the use of money, - usually reckoned as a percentage; as, interest at five per cent per annum on ten thousand dollars.
6. The persons interested in any particular business or measure, taken collectively; as, the iron interest; the cotton interest.
7. To be concerned with or engaged in; to affect; to concern; to excite; - often used impersonally.
8. To cause or permit to share.
9. To engage the attention of; to awaken interest in; to excite emotion or passion in, in behalf of a person or thing; as, the subject did not interest him; to interest one in charitable work.
refer, binge, good, quest, help, civil law, passion, aspect, case, intrigue, class, pertain, enjoyment, participation, cheer, relate, weal, gain, dazzle, addition, for, pastime, asset, bylaw, borrower, civil liberties, concernment, involvement, interestingness, consolidate, fill, virtue, turn on, interestedness, buy out, contract out, edge, amalgamation, occupy, demerger, bank, privilege, amalgamate, trump card, quality, spare-time activity, bank book, pursuance, inspire, use up, excite, claim, lodge in, delight, earnings, excitement, curiousness, spice, profit, enthusiasm, disport, banking, pursuit, blast, combine, house, outfit, engagement, matter to, liaison, rice beer, take, factor, peculiarity, absorb, reside, discount, credit, hobby, attract, amour, sideline, preoccupation, yield, please, bonus, special interest, amusement, gratify, enliven, following, engross, enthuse, regard, demerge, Chapter 11, pursual, interest group, benefit, chase, motivate, civil rights, component, bear on, affaire, saki, matter, bank draft, touch, avocation, by-line, investigate, pressure group, divert, APR, feature, busy, bank statement, crowd pleaser, title, capture someone's interest/imagination/attention, act, involution, post, change, come to, case law, invade, recreate, merit, have-to doe with, facet, incentive, bet, love affair, public interest, stakes, balance, vex, advantage, amuse, sake, due, motivation, bank rate, escapism, beguile, touch on, BIPS, wager, Chapter 7, property, fire someone with enthusiasm, nature, worry, intimacy, engage, fixation, bill, Bros., well-being, in order to promote, on behalf of, investment, entertain
business (part of speech: noun)
establishment, vocation, calling, merchant, career, posting, job, livelihood, proprietorship, management, trade, commerce, profession, transaction, venture, consortium, specialty, barter, practice, assignment, exchange, firm, station, service, partnership, industry, market, negotiation, occupation, busy work, activity, selling, company, holding, commission, affair, position, corporation, retailing, situation, employment, labor, enterprise, business
attention (part of speech: noun)
consideration, mindfulness, heedfulness, engrossment, absorption, immersion, entrancement, diligence, caution, care, regardfulness, observation, intentness, watchfulness, attention, concentration, enrapture, concern, notice, scrutiny, rapture, attentiveness, alertness, fascination
curiosity (part of speech: noun)
importance (part of speech: noun)
portion (part of speech: noun)
portion, quota, allotment, ration, percentage, stock, lot, half, budget, member, proportion, measure, part, partition, split, share, parcel, dividend, zone, subdivision, helping, allowance, stake, bit, compartment, chunk, slice, piece, segment, fraction, division, quantum, cut, sector