Medical Dictionary


noun arous·al \ə-ˈrau̇-zəl\

Medical Definition of arousal

  1. 1a:  the act of arousing <arousal from sleep>b:  the state of being aroused; specifically :  responsiveness to stimuli <… cells of the locus coeruleus, a brain center involved in maintaining attention and arousal …—Science, 20 June 1986>

  2. 2:  a state of physiological and psychological excitation caused by sexual contact or other erotic stimulation <Studies show 60% of patients taking the drugs experience some form of sexual dysfunction, ranging from loss of desire to problems with arousal …—Tara Parker-Pope, The Wall Street Journal, 16 Mar. 2001>

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