anti
1. [ adjective ] (prefix) opposite or opposing or neutralizing
Synonyms: ant
Examples:

"`ant' is a prefix in `antacid'" "`anti' is a prefix in `antihistamine' and `antifreeze'"

Related terms: counteractive
2. [ adjective ] not in favor of (an action or proposal etc.)
Related terms: pro opposed
Similar spelling:   ant
  Anita
  Annita
  Anette
  and
  Annett
  annuity
  ante
  Andy
  Ando