The phrase "demonstrative of" is an adjective that means "showing" or "proving" something clearly. When we say something is "demonstrative of" a certain idea or feeling, it means that it clearly expresses or indicates that idea or feeling.
In more formal or academic writing, "demonstrative of" can be used to analyze concepts or findings. For example: - "The research findings are demonstrative of a significant trend in social behavior." - Here, the research findings clearly indicate a trend.
While "demonstrative of" usually indicates a clear expression of something, "demonstrative" on its own can also refer to a person who openly shows their feelings. For example: - "He is very demonstrative; he hugs everyone when he sees them."
Currently, there are no widely recognized idioms or phrasal verbs that include "demonstrative of," but you might encounter phrases like: - "A clear sign of" (similar meaning) - Example: "The dark clouds are a clear sign of rain."
In summary, "demonstrative of" is a useful phrase when you want to show how something proves or indicates another idea or feeling.