erratic

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. liable to sudden unpredictable change (Freq. 1)
- 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
• Similar to:
changeable, changeful
• Derivationally related forms:
fickleness (for: fickle)
2. having no fixed course
- an erratic comet
- his life followed a wandering course
- a planetary vagabond
• Syn:
planetary, wandering
• Similar to:
unsettled
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
• Similar to:
unreliable, undependable

• Từ đồng nghĩa / Synonyms:
  temperamental, planetary, wandering, fickle, mercurial, quicksilver(a)