Entry 2 senses · 2 variants Webster, 1913

Maniac

/mān'-ē-ăkˌ/ · Ma·ni·ac · IPA /ˈmeɪ.niˌæk/

01 a. Raving with madness; raging with disordered intellect; affected with mania; mad.

1.
Raving with madness; raging with disordered intellect; affected with mania; mad.

02 n. A raving lunatic; a madman.