Without a Leg to Stand On is an idiom that means to have no valid argument or evidence to support one's position. The two crossword solutions for this term are STEMLESS and APODAL. STEMLESS is an 8-letter word meaning having no stem or stalk, while APODAL is a 6-letter word meaning having no feet or legs. Both words accurately describe the phrase Without a Leg to Stand On, as it implies having no support or foundation to stand on.