If you describe something as fancy, you mean that it is special, unusual, or elaborate, for example because it has a lot of decoration.
It was packaged in a fancy plastic case with attractive graphics. ...fancy jewellery.
If you describe something as fancy, you mean that it is very expensive or of very high quality, and you often dislike it because of this. (INFORMAL)
They sent me to a fancy private school.
If you fancy something, you want to have it or to do it. (mainly BRIT INFORMAL)
What do you fancy doing, anyway?... I just fancied a drink.
A fancy is a liking or desire for someone or something, especially one that does not last long.
She did not suspect that his interest was just a passing fancy. = whim
If you fancy someone, you feel attracted to them, especially in a sexual way. (INFORMAL)
I think he thinks I fancy him or something.
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Почему чужая жена - кажется слаще мёда. Притча*
Решение проблемы прячущегося любовника. Притча -
Восточная бескомпромиссность в своем наиблистательнейшем проявлении*
Why Do We Kiss? O природно-физиологических причинах. EN*
10 вещей, которые не нужно упоминать на 1-м свидании. EN