The Collaborative International Dictionary
Antivaccinationist
Antivaccinationist \An`ti*vac`ci*na"tion*ist\, n. An antivaccinist.
Wiktionary
antivaccinationist
a. characterized by opposition to vaccination n. one who is opposed to the practice of vaccination
Usage examples of "antivaccinationist".
I am an antivaccinationist in a sense which every other antivaccinationist would repudiate.