English adjective: erratic | |||
1. | erratic liable to sudden unpredictable change | ||
Samples | Erratic behavior. Fickle weather. Mercurial twists of temperament. A quicksilver character, cool and willful at one moment, utterly fragile the next. | ||
Synonyms | fickle, mercurial, quicksilver | ||
Similar | changeable, changeful | ||
Antonyms | unchangeable | ||
2. | erratic having no fixed course | ||
Samples | An erratic comet. His life followed a wandering course. A planetary vagabond. | ||
Synonyms | planetary, wandering | ||
Similar | unsettled | ||
Antonyms | settled | ||
3. | erratic likely to perform unpredictably | ||
Samples | 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. | ||
Synonyms | temperamental | ||
Similar | undependable, unreliable | ||
Antonyms | dependable, reliable | ||