adj.
Pronunciation: m ə - ' n ī - ə -k ə l
Variant: also ma · ni · ac \ ' m ā -n ē - ˌ ak \
Function: adjective
Date: 1526
1 : affected with or suggestive of madness < maniacal laughter>
2 : characterized by ungovernable excitement or frenzy : FRANTIC <a maniacal mob>
– ma · ni · a · cal · ly \ m ə - ' n ī - ə -k( ə -)l ē \ adverb