verb (used with object)
to make more acute; strengthen or sharpen.
Photography. to increase the density and contrast of (a negative) chemically.
verb (used without object)
de-intensify, verb, de-intensified, de-intensifying.
overintensify, verb, overintensified, overintensifying.
deepen, quicken, concentrate. See aggravate
1. alleviate, weaken.