: arising from, indicative of, or marked by mental disorder
—not used technically
: completely unrestrained by reason and judgment : unable to think in a clear or sensible way
: incapable of being explained or accounted for
: intensely angry or displeased
- What are you so mad about?
- Everyone was mad about the delay.
- That kind of behavior really gets me mad.
: carried away by enthusiasm or desire : extremely or excessively fond of or enthusiastic about something or someone
—often used in combination
- … there is a nouveau riche demographic mad for diamonds and Lamborghinis …
- —Kevin D. Williamson
- trivia known to only the most movie-mad film buffs
: marked by wild gaiety and merriment : hilarious
- of their childhood, of the mad pranks they played
- —Winston Churchill
: intensely excited : frantic
- driving him mad with jealousy
- —Edmund Wilson
: marked by intense and often chaotic activity : wild
: great in quantity, amount, extent, or degree
- Her performance won her mad respect from fans and peers alike, but the media response was tempered at best.
- —Joan Morgan
: to an extreme degree
- working like mad to get the job done on time