| verb | make more intense, stronger, or more marked; , “The efforts were intensified” |
| verb | become more intense “The debate intensified” |
| verb | make deeper “They deepened the lake so that bigger pleasure boats could use it” |
| verb | become deeper in tone “His voice began to change when he was 12 years old” |
| intensity | noun | high level or degree; the property of being intense |
| intensification | noun | action that makes something stronger or more extreme |
| intensifier | noun | a modifier that has little meaning except to intensify the meaning it modifies |
| deepening | noun | a process of becoming deeper and more profound |