WANT UK › to want to have or do something: Do you fancy a drink? [+ doing sth] We fancy going to the Caribbean for our holiday.
PERSON UK informal › to feel sexually attracted to someone: I fancied him the first time I saw him.
fancy (that)! UK informal › used to show that you are surprised or shocked by something: [+ doing sth] Fancy seeing you here! He's going out with Marie? Well fancy that! THINK formal › to think that something is true: [+ (that)] I fancy that he was smiling, but I can't be sure.