- any of more than 250 species of simian primates belonging to the two distinct lines of New World monkeys and Old World monkeys.
- the fur of certain species of such long-haired animals.
- a person whose behavior is likened to such an animal, as a mischievous, agile child or a mimic: My nephew is the most adorable little monkey—he'll try to climb anything he can reach.
- (used as a slur against a member of a racial or ethnic minority group, especially a Black person.)
- a dance, deriving from the twist, in which the partners move their hands as if climbing a pole and jerk their heads back and forth.
- an addiction to narcotics.
- any of various mechanical devices, as the ram of a pile driver.
- a small passageway or opening.
- the sum of 500 pounds.
- a sheep.
- to play or trifle idly; fool (often followed by around or with).
- a monkey on one's back, Slang.
- an addiction to a drug or drugs; narcotic dependency.
- an enduring and often vexing habit or urge.
- a burdensome problem, situation, or responsibility; personal affliction or hindrance.
- to cause to appear ridiculous; make a fool of.
- any of numerous long-tailed primates excluding the prosimians (lemurs, tarsiers, etc): comprise the families Cercopithecidae (Old World monkeys), Cebidae (New World monkeys), and Callithricidae (marmosets)
- any primate except man
- a naughty or mischievous person, esp a child
- the head of a pile-driver (monkey engine) or of some similar mechanical device
- denoting a small light structure or piece of equipment contrived to suit an immediate purpose
- an addict's dependence on a drug
- a butt of derision; someone made to look a fool (esp in the phrase make a monkey of)
- (esp in bookmaking) £500
- $500
- a sheep
- to care about or regard as important
- have a monkey on one's back slang
- to be troubled by a persistent problem
- to be addicted to a drug
- to meddle, fool, or tinker
- to imitate; ape
