The term EXAGGERATEDLY PROPER can be broken down into two crossword solutions: PRUDISH (7 letters) and PURITANICAL (11 letters). PRUDISH is an adjective that means excessively concerned with propriety or modesty, especially in sexual matters. It is often used to describe someone who is overly strict or conservative in their views. PURITANICAL is also an adjective that means excessively strict in moral or religious matters, typically associated with the Puritans of the 16th and 17th centuries. Both words are used to describe someone who is excessively proper or conservative in their behavior.