maniac:
(also, less common: ‘manic’; plural: ‘maniacs‘; pronunciation: the letter ‘c’ is said with a ‘k’ sound as in “king” — for the right pronunciation of this word, please click here)
a maniac (mentally ill)
a mad man or a madwoman, usually violent and dangerous;
a crazy/insane person;
a person who has a very strong interest in, i.e. very crazy about, something, such as a sport, music, hobby, etc.;
a person who acts/behaves wildly, not caring or fearing for anything, or a person who acts in a rough, rude and irresponsible way, often causing trouble for others,
a computer games maniac (too much interest)
The school children were terrified by a gun totting maniac who threatened to kill them all.
Psychologists say that sex maniacs are those who are not confident of their sex abilities in normal conditions, so they use brutal force with their partners to cover up their shortcomings.
Those who drive rashly and cause accidents are either maniacs or totally blind. (drivers not necessarily sick in mind, but dangerously careless)
The theatre was full of young maniacs who were screaming their brains out at the sight of every one of their favourite pop icons. (people with very strong interest in pop music)
