IPA: /ˌæntiˈsuːɪsaɪd/
KK: /æntiˈsuːɪsaɪd/
Opposing or working against the act of taking one's own life.
The antisuicide campaign aims to raise awareness about mental health issues.
Antisuicide is formed from "anti-" (meaning against) and "suicide" (from Latin "suicidium", meaning the act of killing oneself). The word antisuicide refers to actions or measures that are against the act of suicide.
Think of 'anti-' meaning against, and 'suicide' meaning the act of killing oneself. This helps you remember that antisuicide refers to being against suicide.
No commonly confused words.