The crossword solution for the term SEE-___ (TRANSPARENT) is THRU, which is a four-letter word. The term 'see-thru' is an adjective that describes something that is transparent or translucent, allowing one to see through it. It is commonly used to describe clothing, such as a see-thru blouse or dress. It can also be used to describe other items, such as a see-thru window or a see-thru container.