What does "prevention" mean?

The act of preventing or hindering; obstruction of action, access, or approach; thwarting.

What is a synonym for "prevention"?

Common synonyms include: abortion, anticipation, arrest, arrestation, arresting, avoidance.

Pronounced //pɹɪˈvɛnʃən//.

//pɹɪˈvɛnʃən// noun

noun ·Moderate ·High school level

Noun

1
The act of preventing or hindering; obstruction of action, access, or approach; thwarting. countable, uncountable
"a fire prevention campaign"
2
the act of preventing wordnet
3
Any measure intended to limit health-related risks (such as information campaigns, vaccination, early diagnosis etc.). countable, uncountable
"Whatever cures are known, and preventions that are practiced now, could have been common knowledge centuries ago."
4
The act of going, or state of being, before. countable, obsolete, uncountable
"It is generally knowne and obserued, that Light, and the Obiect of Sight, moue swifter than Sound; For we see the Flash of a Peece [i.e. firearm] is seene sooner, than the Noise is heard. […] And the greater the Distance, the greater is the Preuention: As we see in Thunder, which is farre off; where the Lightning Precedeth the Cracke a good space."
5
Anticipation; especially, anticipation of needs, wishes, hazards and risks countable, obsolete, uncountable
"[Suffolk, York and Beaufort] Have all limed bushes to betray thy wings, And, fly thou how thou canst, they’ll tangle thee: But fear not thou, until thy foot be snared, Nor never seek prevention of thy foes."

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6
precaution; forethought. countable, uncountable
"1659, Henry Hammond, A Paraphrase and Annotations upon All the Books of the New Testament, London: Richard Davis, The Gospel according to S. LUKE, Chapter 14, verse 3, p. 238, And Jesus […] by way of prevention asked a question of the Doctors of the law and Pharisees that were present, saying, Is the working of a cure on a sick man a thing forbidden, and so unlawfull to be done upon a sabbath day?"