The term MORE UNPLEASANT can be broken down into four crossword solutions: NASTIER (7 letters), WORSE (5 letters), FOULER (6 letters), and SEAMIER (7 letters). All of these words are synonyms for the term MORE UNPLEASANT, meaning they all describe something that is not pleasant or agreeable. NASTIER and WORSE are both comparative adjectives, meaning they are used to compare two things and show that one is WORSE than the other. FOULER and SEAMIER are both superlative adjectives, meaning they are used to compare three or more things and show that one is the worst of the group.