Definition of anti-vaxxer in English:

anti-vaxxer

(also anti-vaxer)

noun

US
informal
  • A person who is opposed to vaccination, typically a parent who does not wish to vaccinate their child.

    ‘experts say several diseases that are avoidable are making a comeback due to anti-vaxxers who refuse to vaccinate their kids’
    • ‘I see you're also an anti-vaxxer and deny anthropogenic global warming.’
    • ‘I am a huge fan of science-based medicine with no patience and very little tolerance for the type of anti-vaxxers who -- despite the overwhelming landslide of evidence to the contrary -- still think that the MMR vaccination causes autism.’
    • ‘I'm not quite sure if that position is more or less bizarre than simply being an anti-vaxxer.’
    • ‘Those of us who are scientists are just as appalled by the anti-vaxxers as anyone.’
    • ‘A decade ago thimerosal was removed from the childhood vaccines that anti-vaxxers claimed were causing autism.’
    • ‘Despite the anti-vaxxers, vaccines are still a pillar of government policy.’
    • ‘You call people anti-vax as if it's a dirty word, but I would bet an anti-vaxxer would know more about vaccines than you do.’
    • ‘Does anyone know if antivaxxers also abstain from taking other medicine?’
    • ‘Not all outbreaks can be linked to anti-vaxxers, but some definitely have been.’
    • ‘In the last few years, I have noticed that derision towards anti-vaxxers has grown.’

Origin

Early 21st century: from anti-vax.

Pronunciation

anti-vaxxer

/ˌan(t)ēˈvaksər/