The term 'leading edge' is often used to describe something that is MODERN and at the forefront of its field. The two crossword solutions for this term are MODERN (6 letters) and FRONT (5 letters). MODERN implies that something is up-to-date and current, while FRONT suggests that it is at the beginning or the start of something. Together, these two words can be used to describe something that is MODERN and at the forefront of its field.