informal With great intensity, energy, or enthusiasm: I ran like mad
More example sentences
- My eyes are hurting like mad, this means I will probably have a cold soon.
- On Saturday morning every bone and muscle was hurting like mad but we still had to soldier on.
- The two looked at each other for a second, then fired like crazy and ran like mad.
fast, furiously, as fast as possible, as fast as one's legs can carry one, hurriedly, quickly, rapidly, speedily, hastily
energetically, enthusiastically, madly, with a will, for all one is worth, passionately, intensely, ardently, fervently
British informal , dated like billy-o