激 - violent, get excited, enraged

crash; smashing (into); ramming; (violent) collision

dramatic decrease; sharp drop; sudden fall

violent shock; agitation; turbulence; turmoil; upheaval; excitement

violent; furious; tempestuous

heated argument; heated discussion; heated debate

sudden change; upheaval

extreme (measure, idea, etc.); radical; violent (language)

deep emotion; impression; inspiration

intense; violent; severe; vehement

stimulus; stimulation; irritation (esp. of the body, e.g. skin, eyes)

encouragement; spurring (on); cheering (on)

fierce battle; hard-fought battle; hot contest; severe fight