Unusually rare twitching, lacking predictability

• Wandering deserter entering Morecambe?
• Not at all consistent
• Irregular; queer
• Unreliable British leader, scoundrel in charge
• Deviating off-course

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Erratic \Er*rat"ic\, n. One who deviates from common and accepted opinions; one who is eccentric or preserve in his intellectual character. A rogue. [Obs.] --Cockeram. (Geol.) Any stone or material that has been borne away from its original site by natural ...

WordNet Word definitions in WordNet
adj. having no fixed course; "an erratic comet"; "his life followed a wandering course"; "a planetary vagabond" [syn: planetary , wandering ] liable to sudden unpredictable change; "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; ...

Wikipedia Word definitions in Wikipedia
Erratic may refer to: Erratic, a project of music artist Jan Robbe Glacial erratic , a piece of rock that differs from the size and type of rock native to the area in which it rests Erratic ant ( Tapinoma erraticum ), a species of ant