OXFORD DICTIONARY
, adv., adj., & n.
--adv.
1 headlong, recklessly (rushed pell-mell out of the room).
2 in disorder or confusion (stuffed the papers together pell-mell).
--adj. confused, tumultous.
--n. confusion; a mixture.
F p{ecirc}le-m{ecirc}le, OF pesle mesle, mesle pesle, etc., redupl. of mesle f. mesler mix
THESAURUS
bedlam, brouhaha, chaos, chaotic, chaotically, commotion, confused, confusedly, confusion, disorder, disordered, disorderly, disorganized, excitement, feverish, feverishly, hastily, hasty, helter-skelter, hubbub, hurried, hurriedly, impetuous, impetuously, impulsive, impulsively, incautious, incautiously, mad, melee, pandemonium, panicky, precipitate, precipitately, rash, rashly, reckless, recklessly, slap-bang, slapdash, spontaneously, tumult, tumultuous, turmoil, wild, wildly