prevent

Từ điển Oxford Advanced Learner 8th

pre·vent [prevent prevents prevented preventing] BrE [prɪˈvent] NAmE [prɪˈvent] verb
to stop sb from doing sth; to stop sth from happening
•~ sth/sb The accident could have been prevented.
• The government took steps to prevent a scandal.
•~ sb/sth from doing sth He is prevented by law from holding a licence.
•Nothing would prevent him from speaking out against injustice.
•~ (sb/sth) doing sth (BrE)Nothing would prevent him/his speaking out against injustice.
Derived Word: ↑preventable
Verb forms:

Word Origin:
late Middle English (in the sense ‘act in anticipation of’): from Latin praevent- ‘preceded, hindered’, from the verb praevenire, from prae ‘before’ + venire ‘come’.

Thesaurus:
prevent verb T
•These strategies are aimed at preventing crime.
stop • • avoid • • keep sb from sth • • rule sb/sth out • • thwart • • frustrate • |formal preclude • |written avert • • restrain • |especially journalism foil •
Opp: allow
prevent/stop/keep/preclude/restrain sb from doing sth
prevent sb/stop (sb)/avoid (sb)/preclude (sb) doing sth
prevent/stop/avoid/avert a/an crisis/accident
Prevent or stop? Prevent is a more formal word. It suggests action that sb plans in advance so that sth does not even start; stop often suggests action taken to end sth already in progress.

Example Bank:
•A good sunscreen will help prevent sunburn.
•Action must be swift in order to prevent further damage.
•Better intelligence could have possibly prevented the attack.
•No one can prevent you from attending this meeting.
•The drug inhibits the replication of cancer cells, thereby preventing their spread.
•The whole affair is an outrage and the authorities have done nothing to prevent it.
•There was nothing to prevent him setting up in business on the premises.
•There's nothing to prevent these guys from copying our idea.
•These barriers completely prevent new companies from entering the market.
•They took action to prevent the disease from spreading.
•This new legislation effectively prevents us from trading.
•a study to determine whether the brace can reliably prevent knee injuries
•new measures aimed at preventing accidents
•Is there a total sun block which prevents tanning altogether?
•These strategies are aimed at preventing crime.

• Từ đồng nghĩa / Synonyms:
  keep, forestall, foreclose, preclude, forbid
• Từ trái nghĩa / Antonyms:
  let, allow, permit