1 having no fixed course; "an erratic comet"; "his life followed a wandering course"; "a planetary vagabond" [syn: planetary, wandering]
2 liable to sudden unpredictable change; "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; "a quicksilver character, cool and willful at one moment, utterly fragile the next" [syn: fickle, mercurial, quicksilver(a)]
3 likely to perform unpredictably; "erratic winds are the bane of a sailor"; "a temperamental motor; sometimes it would start and sometimes it wouldn't"; "that beautiful but temperamental instrument the flute"- Osbert Lancaster [syn: temperamental]
- Rhymes: -ætɪk
- a rock moved by geologic forces from one location to another, usually by a glacier
- in an erratic manner; unsteadily or randomly
- When I saw the other driver weaving erratically across the road, I decided to keep my distance.
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