volatile

Từ điển Oxford Advanced Learner 8th

vola·tile [volatile volatiles] BrE [ˈvɒlətaɪl] NAmE [ˈvɑːlətl] adjective
1. (often disapproving) (of a person or their moods)changing easily from one mood to another
•a highly volatile personality
2. (of a situation)likely to change suddenly; easily becoming dangerous
Syn: ↑unstable
•a highly volatile situation from which riots might develop
•a volatile exchange rate
3. (technical) (of a substance)that changes easily into a gas
•Petrol is a volatile substance.
Derived Word: ↑volatility

Word Origin:
Middle English (in the sense ‘creature that flies’, also, as a collective, ‘birds’): from Old French volatil or Latin volatilis, from volare ‘to fly’.

Example Bank:
•Edwards was a highly volatile character.
•a potentially volatile situation
•Exporting the product was difficult due to a volatile exchange rate.
•He was a very volatile character when playing.
•She was a more volatile personality than her sister.
•She was a top model famed for her volatile behaviour.
•This is a highly volatile situation from which riots might develop.

• Từ đồng nghĩa / Synonyms:
  fickle, explosive
• Từ trái nghĩa / Antonyms:
  nonvolatile, nonvolatilizable, nonvolatilisable