IPA: /ˌæn.tiˈpɑːr.ti/
KK: /æntiˈpɑrti/
Opposing a specific political party or its policies.
The candidate took an antiparty stance during the debate.
A political group that opposes or rejects the traditional political parties and their ideas.
The new movement formed an antiparty to challenge the existing political system.
Antiparty is formed from "anti-" (meaning against) and "party" (from Old French *partie*, meaning a part or faction). The word describes a stance or group that is against a particular party or faction.
Think of 'anti-' meaning against, and 'party' referring to a group or faction. This helps you remember that 'antiparty' means being against a particular group.
No commonly confused words.