The crossword solutions for the term 'LESS SPORTSMANLIKE' are 'DIRTIER' (7 letters) and 'SORER' (5 letters). Being sportsmanlike is a quality that is highly valued in many sports, as it involves respect for opponents, fairness, and good sportsmanship. The opposite of this would be 'less sportsmanlike', which could involve cheating, taunting, or other unsportsmanlike behavior. 'Dirtier' and 'SORER' are two words that could describe such behavior, as they imply a lack of respect for the rules and opponents.