Etymology: (1300–50; ME rascaile, raskaille < OF rascaille rabble; perh. akin to rash2)
Definition of 'rascal'
Princeton's WordNet
1. (noun)rogue, knave, rascal, rapscallion, scalawag, scallywag, varlet a deceitful and unreliable scoundrel
2. (noun)imp, scamp, monkey, rascal, rapscallion, scalawag, scallywag one who is playfully mischievous
Definition of 'rascal'
Webster Dictionary
1. (adj)rascal of or pertaining to the commonherd or common people; low; mean; base
2. rascal one of the rabble; a low, commonsort of person or creature; collectively, the rabble; the common herd; also, a lean, ill-conditioned beast, esp. a deer
3. rascal a mean, trickish fellow; a base, dishonest person; a rogue; a scoundrel; a trickster