1. Any of various long-tailed primates (excluding the prosimians)
   "The capuchin monkey used a stone tool to crack open nuts"
    
2. One who is playfully mischievous
   "The young monkey was always getting into harmless trouble";
   - imp, scamp [informal], rascal, rapscallion, scalawag [N. Amer], scallywag, scallawag

1. Play around with or alter or falsify, usually secretively or dishonestly
   "Someone monkeyed with the documents on my desk";
   - tamper, fiddle [informal]

Derived forms: monkeys, monkeyed, monkeying

Type of: child, kid [informal], kiddie [informal], kiddy [informal], manipulate, minor, nestling [informal], nipper [informal], primate, shaver [informal], small fry [informal], tiddler [Brit, informal], tike [informal], tyke [informal], wean [UK, Ireland, dialect], youngster

Encyclopedia: Monkey, Monkey