anti
UK: ˈænti | US: ˈænti
n. a person who is opposed to a particular practice, party, policy, etc.
adj. opposed to; against.
prefix opposed to; the opposite of.
The prefix "anti" originates from the Greek word anti, meaning "against" or "opposite." It entered English via Latin and has been widely used to form words expressing opposition or contrast (e.g., antidote, antisocial). Its straightforward meaning has remained consistent across languages, making it a highly productive morpheme in English.
She joined the anti-war protest last weekend.
The vaccine acts as an anti-infection agent.
His anti-establishment views made him unpopular with the authorities.
The group is strongly anti-smoking.
The new policy has drawn criticism from anti-corruption activists.