1. (

• lunacy ,
• madness ,
• insaneness

) obsolete terms for legal insanity ;

2. (

• rabies ,
• hydrophobia ,
• lyssa ,
• madness ,

) an acute viral disease of the nervous system of warm-blooded animals (usually transmitted by the bite of a rabid animal); rabies is fatal if the virus reaches the brain ;

3. (

• fury ,
• rage ,
• madness

) a feeling of intense anger; "hell hath no fury like a woman scorned"; "his face turned red with rage" ;

4. (

• folly ,
• foolishness ,
• craziness ,
• madness

) the quality of being rash and foolish; "trying to drive through a blizzard is the height of folly"; "adjusting to an insane society is total foolishness" ;

5. (

• madness ,
• rabidity ,
• rabidness

) unrestrained excitement or enthusiasm; "poetry is a sort of divine madness" ;