The term IN VAIN is used to describe an action or effort that has been done without success. The crossword solutions for this term are USELESSLY (9 letters), FUTILE (6 letters), IDLY (4 letters), OFNOUSE (7 letters), TONOAVAIL (9 letters) and TOLITTLEPURPOSE (15 letters). All of these words describe an action or effort that has been done without any positive outcome, and can be used interchangeably with the term IN VAIN.