MOST JUST' The term 'MOST JUST' is a combination of two words, 'MOST' and 'JUST'. The word 'MOST' is an adverb that means to the greatest degree or extent. The word 'JUST' is an adjective that means based on or behaving according to what is morally right and fair. Together, the term 'MOST JUST' can be used to describe someone or something that is the MOST fair and JUST. This term is often used to describe a person who is known for their fairness and justice in their decisions and actions.