Stuffy Sort is a term used to describe people who are overly formal, rigid, and conservative in their behavior. The crossword solutions for this term are PRIG (4 letters), PRUDE (5 letters), and OLDFUDDYDUDDY (13 letters). PRIG is a person who is excessively moralistic and behaves in a self-righteous manner. PRUDE is someone who is excessively modest or shy, especially in regards to sexual matters. OLDFUDDYDUDDY is an old-fashioned person who is out of touch with modern trends.