IPA: /ˌɛkstrəˈdʒuːdɪʃəl/
KK: /ˌɛkstrəˈdʒudɪʃəl/
Relating to actions taken outside the legal system or without the authority of a court.
The government was criticized for its extrajudicial actions against suspected criminals.
Extrajudicial → It is formed from "extra-" (meaning outside) and "judicial" (from Latin "judicialis", meaning pertaining to judgment or the law). The word "extrajudicial" refers to actions or decisions made outside the formal judicial process or court system.
Think of 'extra' meaning 'outside' and 'judicial' relating to 'judgment' — this helps you remember that 'extrajudicial' refers to actions taken outside the court system.
No commonly confused words.