IPA: /ˈæntiˌliːk/
KK: /ˈæntiˌlik/
Describing something that is designed to stop or prevent leaks from occurring.
The new antileak technology ensures that no water escapes from the pipes.
Antileak → It is formed from "anti-" (meaning against) and "leak" (from Old English "lecan", meaning to flow or escape). The word "antileak" refers to something that prevents or is against leaking.
Think of 'against' ('anti-') something that 'flows' or 'escapes' ('leak') — that's why antileak means preventing leaks.