definition of
intensify

[1] #1 intensify v. [escalate, step up] increase in extent or intensity; "The Allies escalated the bombing". wn

[2] #2 intensify v. [compound, heighten, deepen] make more intense, stronger, or more marked; "The efforts were intensified", "Her rudeness intensified his dislike for her"; "Pot smokers claim it heightens their awareness"; "This event only deepened my convictions". wn

[3] #3 intensify v. [deepen] become more intense; "The debate intensified"; "His dislike for raw fish only deepened in Japan". wn

[4] #4 intensify v. make the chemically affected part of (a negative) denser or more opaque in order produce a stronger contrast between light and dark. wn