[1] : The Collaborative International Dictionary of English v.0.48

intensify \inten"sify\, v. t. imp.  p. p. intensified; p.
   pr.  vb. n. intensifying. intense + -fly.
   to render more intense; as, to intensify heat or cold; to
   intensify colors; to intensify a photographic negative; to
   intensify animosity. --bacon.
   1913 webster

         how piercing is the sting of pride
         by want embittered and intensified.      --longfellow.
   1913 webster
see also:
intensified intensifying 

[2] : The Collaborative International Dictionary of English v.0.48

intensify \inten"sify\, v. i.
   to become intense, or more intense; to act with increasing
   power or energy.
   1913 webster

[3] : WordNet (r) 2.0

intensify
     v 1: increase in extent or intensity; "the allies escalated the
          bombing" syn: escalate, step up ant: de-escalate
     2: make more intense, stronger, or more marked; "the efforts
        were intensified", "her rudeness intensified his dislike
        for her"; "potsmokers claim it heightens their awareness";
        "this event only deepened my convictions" syn: compound,
         heighten, deepen
     3: become more intense; "the debate intensified"; "his dislike
        for raw fish only deepened in japan" syn: deepen
     4: make the chemically affected part of a negative denser or
        more opaque in order produce a stronger contrast between
        light and dark
     also: intensified
see also:
escalate step up de-escalate compound heighten deepen 
intensified 

[4] : Moby Thesaurus II by Grady Ward, 1.0

83 moby thesaurus words for "intensify":
   accelerate, accent, accentuate, accrue, accumulate, advance,
   agent provocateur, aggrandize, aggravate, amplify, annoy,
   appreciate, augment, balloon, beef up, bloat, blow up, boom, breed,
   broaden, build up, complicate, concentrate, condense, consolidate,
   crescendo, deepen, deteriorate, develop, double, embitter,
   emphasize, enhance, enlarge, escalate, exacerbate, exaggerate,
   exalt, exasperate, focus, gain, gain strength, get ahead, go up,
   grow, heat up, heighten, hop up, hot up, increase, irritate,
   jazz up, key up, magnify, make acute, make complex, make worse,
   mount, multiply, proliferate, provoke, quicken, ramify, redouble,
   reinforce, rise, rouse, run up, sharpen, shoot up, snowball,
   soup up, sour, spread, step up, strengthen, stress, swell, triple,
   wax, whet, widen, worsen

Intensify >> I Words
Intensify, definition of term: Intensify
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