Crossword clues for the word: SIGEP The word SIGEP has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for SIGEP Showing 1 to 10 of 10 results Clue(s) "Large fraternity, familiarly" "Largest college fraternity in the U.S., in brief" "Popular fraternity, familiarly" Coll. fraternity with a skull-and-crossbones symbol College frat with the greatest number of chapter houses (200+) First college frat to charter a chapter in all 50 states First national fraternity to officially welcome transgender members (2014), informally Frat. whose alumni include Dr. Seuss and John Goodman Largest frat in the U.S. Member of a popular college frat