plural of interest

The persons interested in any particular business or cause, taken collectively.

Third-person singular simple present indicative form of interest

(intransitive) To plead on someone else's behalf. / (intransitive) To act as a mediator in a dispute; to arbitrate or mediate. / To pass between; to intervene.

(banking, finance) Interest, as on a loan or a bank account, that is calculated on the total on the principal plus accumulated unpaid interest.

(anatomy) Between the ribs of an animal or person. / (nautical) Between the ribs of a boat.

(anatomy) The intercostal muscles. / (anatomy) Something that is between the ribs of an animal. / (nautical) Hull reinforcing inserted between frames or bulkheads of a boat.

Involving members of different religions.

Freely substitutable; that may be swapped at will. / Following each other in alternate succession; alternating.

Anything that can be interchanged; a substitute.