TOO PROPER' The term 'too proper' can be defined as being excessively or overly proper, and is often used to describe someone who is overly concerned with following the rules and conventions of society. The crossword solution for this term is 'PRUDISH', which means having or showing a lack of ease in dealing with others, due to a fear of not behaving correctly. This term is often used to describe someone who is overly concerned with propriety and etiquette, and who may be overly critical of those who do not follow the same standards.