Definition: become more intense
Usage: The debate intensified; His dislike for raw fish only deepened in Japan
Main entry: intensify, heighten, deepen, compound
Definition: make more intense, stronger, or more marked
Usage: The efforts were intensified, Her rudeness intensified his dislike for her; Pot smokers claim it heightens their awareness; This event only deepened my convictions
Definition: become deeper in tone
Usage: His voice began to change when he was 12 years old; Her voice deepened when she whispered the password
Main entry: deepen
Definition: make deeper
Usage: They deepened the lake so that bigger pleasure boats could use it