Deviating off-course

• Unpredictable grass invading Morecambe perhaps
• Capricious sailor turning up in Morecambe, say
• Unsteady
• Irregular and unpredictable
• Wandering deserter entering Morecambe?
• Hit or miss
• Unpredictable Cartman keeps an odd pet!

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