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by Kate Woodford

This week, we’re looking at words and phrases that we use to describe knowing a subject.

Starting with a very useful adjective, someone who is knowledgeable knows a lot, either about one particular subject or subjects more generally: Annie is very knowledgeable about wildlife. A slightly informal expression to describe someone with a detailed knowledge of one particular subject is the phrase clued up: Young people tend to be more clued up on environmental issues.