mune
Mune (adj) means not immune; vulnerable or susceptible to something. Example: “The joke plays on the idea that everyone is mune to bad luck at some point.”
How to use mune
Learner’s notesIn plain EnglishA jokey, informal opposite of "immune," meaning vulnerable to something.
Very informal and rare; mostly used for wordplay rather than serious writing.
Fill the gap
Can you complete this real example?
The joke plays on the idea that everyone is _____ to bad luck at some point.
Etymology
A playful back-formation, invented on the mistaken assumption that "immune" was formed from a prefix "im-" plus "mune" — it wasn't, but the joke word stuck.