The term WORD AFTER TIGHT OR LOOSE is END, which is a three-letter word. END is a verb meaning to bring or come to a conclusion, to finish, or to terminate. It can also be used as a noun to refer to the final part of something, such as the END of a book or movie. END is often used in phrases such as 'in the END' or 'at the END of the day, ' which are used to refer to the ultimate result or outcome of a situation.