The word "gilt-edged" is an adjective that describes something of very high quality or value. It originally comes from the idea of something being gilded, which means it has a thin layer of gold on its edges. This gives it a special and valuable appearance.
In finance, "gilt-edged securities" refers to government bonds that are very safe and low-risk. These are often seen as the best investment option because they are backed by the government.
While there aren't specific idioms or phrasal verbs that directly relate to "gilt-edged," you might encounter phrases like: - "Worth its weight in gold": This means something is very valuable. - "Gold standard": This refers to something that is considered the best of its kind.