panacea
Panacea (noun) means a single remedy or solution supposed to fix every problem — usually said sceptically, of something that cannot really do so. Example: “More funding is not a panacea for the whole system.”
How to use panacea
Learner’s notesIn plain EnglishA single fix that is supposed to solve everything.
Usually appears in the negative — "no panacea" — to puncture an overclaim.
Fill the gap
Can you complete this real example?
More funding is not a _____ for the whole system.
Etymology
From Greek "panakeia," a universal remedy, from "pan-" (all) plus "akos" (cure). Panacea was also the Greek goddess of healing.