Verb

(en verb)

To stop; to keep (from happening).

I brushed my teeth to prevent them from going yellow.

* {{quote-news

, year=2011 , date=October 1 , author=Tom Fordyce , title=Rugby World Cup 2011: England 16-12 Scotland , work=BBC Sport citation , page= , passage=Scotland must now hope Georgia produce a huge upset and beat Argentina by at least eight points in Sunday's final Pool B match to prevent them failing to make the last eight for the first time in World Cup history.}}

* 1897 , Henry James, What Maisie Knew :

‘I think you must be mad, and she shall not have a glimpse of it while I'm here to prevent !’

(obsolete) To come before; to precede.

* Bible, 1 Thess. iv. 15

We which are alive and remain unto the coming of the Lord shall not prevent them which are asleep.

* Book of Common Prayer

We pray thee that thy grace may always prevent and follow us.

* Prior

Then had I come, preventing Sheba's queen.

(obsolete) To outdo, surpass.

* 1596 , Edmund Spenser, The Faerie Queene , IV.i:

With that he put his spurres vnto his steed, / With speare in rest, and toward him did fare, / Like shaft out of a bow preuenting speed.

(obsolete) To be beforehand with; to anticipate.

* Alexander Pope

their ready guilt preventing thy commands

Verb

(en verb)

To prevent; to halt; to cause to fail; to foil; to frustrate.

* South

The proposals of the one never thwarted the inclinations of the other.

* , chapter=22

, title= The Mirror and the Lamp , passage=Not unnaturally, “Auntie” took this communication in bad part.

* {{quote-book, year=2006, author=(Edwin Black), title=Internal Combustion

, chapter=2 citation , passage=More than a mere source of Promethean sustenance to thwart the cold and cook one's meat, wood was quite simply mankind's first industrial and manufacturing fuel.}}

* {{quote-news, year=2011, date=December 10, author=David Ornstein, work=BBC Sport

, title= Arsenal 1-0 Everton , passage=Everton were now firmly on the back foot and it required some sharp work from Johnny Heitinga and Phil Jagielka to thwart Walcott and Thomas Vermaelen.}}

(obsolete) To move across or counter to; to cross.

* (John Milton) (1608-1674)

Swift as a shooting star / In autumn thwarts the night.