The term III is a Roman numeral that stands for the number THREE. The crossword solutions for this term include 'THREE' (5 letters), 'grandson' (8 letters), 'TRES' (4 letters), 'RomanThree' (10 letters), and 'KindofaThree' (12 letters). 'THREE' is an English word for the number THREE, 'grandson' is a male descendant of one's child, 'TRES' is the Spanish word for THREE, 'RomanThree' is a combination of the Roman numeral III and the English word 'THREE', and 'KindofaThree' is a phrase that implies something related to the number THREE.