The term 'less forgiving' can be described by the crossword solutions MEANER (6 letters), SORER (5 letters), STRICTER (8 letters), STERNER (7 letters), and STONIER (7 letters). These words all describe someone or something that is not willing to forgive, and instead is more likely to be harsh or unyielding. MEANER implies a lack of kindness or sympathy, sore suggests a feeling of resentment or bitterness, STRICTER implies a more rigid adherence to rules, sterner implies a more severe attitude, and stonier implies a more unyielding nature. All of these words together paint a picture of someone or something that is less forgiving.