prefix

• 1Opposed to; against.

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  • ‘anti-aircraft’

  1. 1.1Preventing.
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     • ‘antibacterial’
  2. 1.2Relieving.
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     • ‘antipruritic’
  3. 1.3The opposite of.
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     • ‘anticlimax’
     Synonyms

     dissenting, dissident, disagreeing, differing, discordant, contradicting, contrary, negative, anti-
  4. 1.4Acting as a rival.
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     • ‘antipope’
  5. 1.5Unlike the conventional form.
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     • ‘anti-hero’

• 2Physics
  The antiparticle of a specified particle.

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  • ‘antiproton’