adj.

1. used especially of what is legally or ethically right or proper or fitting
   
   • a just and lasting peace"- A.Lincoln; "a kind and just man
   • a just reward
   • his just inheritance
2. implying justice dictated by reason, conscience, and a natural sense of what is fair to all;
   equitable
   
   • equitable treatment of all citizens
   • an equitable distribution of gifts among the children
3. free from favoritism or self-interest or bias or deception; or conforming with established standards or rules;
   fair
   
   • a fair referee
   • fair deal
   • on a fair footing
   • a fair fight
   • by fair means or foul
4. of moral excellence;
   good, upright
   
   • a genuinely good person
   • a just cause
   • an upright and respectable man

adv.

1. and nothing more;
   merely, simply, only, but
   
   • I was merely asking
   • it is simply a matter of time
   • just a scratch
   • he was only a child
   • hopes that last but a moment
2. indicating exactness or preciseness;
   precisely, exactly
   
   • he was doing precisely (or exactly) what she had told him to do
   • it was just as he said--the jewel was gone
   • it has just enough salt
3. only a moment ago;
   just now
   
   • he has just arrived
   • the sun just now came out
4. absolutely;
   simply
   
   • I just can't take it anymore
   • he was just grand as Romeo
   • it's simply beautiful!
5. by a small margin; "they could barely hear the speaker"; "we hardly knew them"; "just missed being hit"; "had scarcely rung the bell when the door flew open"; "would have scarce arrived before she would have found some excuse to leave"- W.B.Yeats;
   barely, hardly, scarcely, scarce