maniac
ma|ni|ac /m'eɪniæk/ (maniacs)
1 [N-COUNT]
A maniac is a mad person who is violent and dangerous.
...a drug-crazed maniac.
2 [ADJ] ADJ n
If you describe someone's behaviour as maniac, you are emphasizing that it is extremely foolish and uncontrolled.
A maniac driver sped 35 miles along the wrong side of a motorway at 110 mph.
= lunatic
3 [N-COUNT] supp N
If you call someone, for example, a religious maniac or a sports maniac, you are critical of them because they have such a strong interest in religion or sport.
My mum is turning into a religious maniac.
...football maniacs.
= fanatic
1 [N-COUNT]
A maniac is a mad person who is violent and dangerous.
...a drug-crazed maniac.
2 [ADJ] ADJ n
If you describe someone's behaviour as maniac, you are emphasizing that it is extremely foolish and uncontrolled.
A maniac driver sped 35 miles along the wrong side of a motorway at 110 mph.
= lunatic
3 [N-COUNT] supp N
If you call someone, for example, a religious maniac or a sports maniac, you are critical of them because they have such a strong interest in religion or sport.
My mum is turning into a religious maniac.
...football maniacs.
= fanatic