intensify
in.ten.si.fy \in-'ten(t)-s*-.fi-\ vt 1: to make intense or more intensive :
STRENGTHEN 2a: to increase the density and contrast of (a photographic
image) by chem ical treatment 2b: to make more acute : SHARPEN : to become
intense or more intensive : grow stronger or more acute to increase
markedly in measure or degree. INTENSIFY implies a deepening or
strengthening of a thing or of its characteristic quality; AGGRAVATE
implies an increasing in gravity or seriousness, esp. the worsening of
something already bad or undesirable; HEIGHTEN suggests a lifting above the
ordinary or accustomed; ENHANCE implies a raising or strengthening above
the normal in desirability, value, or attractiveness SYN syn INTENSIFY,
AGGRAVATE, HEIGHTEN, ENHANCE mean