WordWeb Online

1. Arousing or holding the attention

1. Excite the curiosity of; engage the interest of
    
2. Be on the mind of
   - concern, occupy, worry
    
3. Be of importance or consequence
   "This interests me!";
   - matter to

See also: absorbing, amusing, amusive, diverting, engrossing, entertaining, exciting, fascinating, fun, gripping, interest, interestingness, intriguing, newsworthy, riveting, stimulating

Type of: arouse, bear on, come to, concern, elicit, enkindle [literary], evoke, fire, have to do with, kindle, pertain, provoke, raise, refer, relate, touch, touch on

Antonym: bore, uninteresting

Encyclopedia: Interesting