1) something in which one is interested or which is important (concern)
2) a person who is very interested in something (devotee)
3) able to do, interested in, housework (domesticated)
4) interested mainly in oneself (egocentric)
5) extremely busy with and interested (in an activity, book etc) (engrossed)
6) a person more interested in what goes on around her or him than in personal thoughts and feelings (extrovert)
7) a person who is more interested in her or his own thoughts and feelings than in things outside; a quiet, antisocial person (introvert)
8) (also nosey) too interested in other people's private affairs (nosy)
9) to wake (a person) up; to cause (a person) to be more active, interested etc (rouse)
10) connected with, interested in, sport; showing fairness (sporting)
looking and listening carefully
concentrating
wanting very much (to learn, know)
desiring knowledge, understanding
brave; ready to go on fighting; ready and willing; a form of play, sport, especially with rules, e.g. tennis, football, cards
brave, willing
in the habit of asking for information
wondering, curious
liking, showing a fondness for, having, (too much) interest on other's affairs
curious
(of interest, the feelings) strong; deep
enthusiastic
giving or given freely; generous; having, showing, a mind free from prejudice
progressive
(also nosey) too interested in other people's private affairs
curious; prying
quick at noticing things
alert, watchful
quick or ready (to listen to, accept, suggestions, new ideas etc)
open to new ideas
having or showing, caused by, sympathy
concerned, feeling