To press or squeeze something with force so as to break, damage, or distort its shape. She used a heavy book to crush the garlic cloves.
To defeat someone completely in a competition or conflict. The home team managed to crush their opponents in the final match.
To suppress or subdue a feeling or emotion. He tried to crush his feelings of jealousy when he saw her with someone else.
To have a brief but intense infatuation with someone. She realized she had started to crush on her new coworker.