interest

1 a legal right to participation in the advantages, profits, and responsibility of something <all of the workers at the food cooperative have an interest in it> Synonyms claim, share, stake Related Words co-ownership, ownership, part, partnership, possession, title

2 the state of doing well especially in relation to one's happiness or success <make no mistake: she's determined to act in her own interest in this business deal> Synonyms good, welfare, weal, well-beingRelated Words fortune, prosperity, prosperousness, success, successfulness; fitness, health, healthiness, robustness, soundness, wellness, wholeness, wholesomeness; bliss, felicity, happiness, joy; advantage, benefit, gain, sake; content, contentedness, gratification, satisfactionNear Antonyms unhealthiness, unsoundness; misery, sadness, suffering, unhappiness, wretchednessAntonyms ill-being

3 a commercial or industrial activity or organization <a multinational corporation with interests on every continent> Synonyms business, company, concern, establishment, firm, house, enterprise, outfitRelated Words conglomerate, corporation, multinational; association, cartel, chain, combine, syndicate, trust; agency, dealer, outlet; microenterprise

4 a group of people with a common identifying interest that they seek to protect and promote <the contention that the nation's financial interests have too much power> Synonyms interest group, pressure group, special interestRelated Words vested interest; political action committee