Entry Word: mad

Function: adjective

Meaning: 1 feeling or showing anger <the constant harassment finally made her good and mad> — see angry
2 having or showing a very abnormal or sick state of mind <the man who thinks he's turned into a bug is clearly mad> — see insane 1
3 marked by great and often stressful excitement or activity <a mad rush to finish the shopping before Christmas> — see furious 1
4 showing or marked by a lack of good sense or judgment <the mad decision to quit a good job and run off to the big city> — see foolish 1