interest

Sense 1 noun

a sense of concern with and curiosity about someone or something

an interest in music

Sense 2 verb

excite the curiosity of; engage the interest of

Sense 3 noun

a reason for wanting something done

for your sake

Sense 4 verb

be on the mind of

I worry about the second Germanic consonant shift

Sense 5 noun

the power of attracting or holding one's attention (because it is unusual or exciting etc.)

they said nothing of great interest

Sense 6 verb

be of importance or consequence

This matters to me!

Sense 7 noun

a fixed charge for borrowing money; usually a percentage of the amount borrowed

how much interest do you pay on your mortgage?

Sense 8 noun

(law) a right or legal share of something; a financial involvement with something

they have interests all over the world

Sense 9 noun

(usually plural) a social group whose members control some field of activity and who have common aims

the iron interests stepped up production

Sense 10 noun

a diversion that occupies one's time and thoughts (usually pleasantly)

sailing is her favorite pastime