What is just? What is just? Honorable and fair in one's dealings and actions: a just ruler. See Synonyms at fair1.Consistent with what is morally right; righteous: a just cause. Properly due or merited: just deserts. Law Valid within the law; lawful: just claims. Suitable or proper in nature; fitting: a just touch of solemnity. Based on fact or sound reason; well-founded: a just appraisal. Precisely; exactly: just enough salt. Only a moment ago: He just arrived. By a narrow margin; barely: just missed being hit; just caught the bus before it pulled away. At a little distance: just down the road. Merely; only: just a scratch. Simply; certainly: It's just beautiful! Perhaps; possibly: I just may go. just about Almost; very nearly: This job is just about done. just now Only a moment ago.just the same Nevertheless.Variant of joust.