1. a person who studies or collects phrases and expressions
2. a person skilled in the use of language and expressions

Examples

• The phraseologist compiled a dictionary of regional idioms.
• As a noted phraseologist, she could explain the origins of common sayings.
• The professor was known as a skilled phraseologist who made complex ideas accessible.
• Local phraseologists documented the unique expressions used in their community.
• The phraseologist’s research focused on how phrases change meaning over time.
• She consulted with a phraseologist to improve her writing style.