Just

|Adjective|

1. Factually right, correct; factual.
2. Rationally right, correct.
3. Morally right; upright, righteous, equitable; fair.
4. Proper, adequate.

right, correct

righteous, equitable

proper, adequate

unjust

|Adverb|

1. Only, simply, merely.
2. (sentence adverb) Used to reduce the force of an imperative; simply.
3. Used to convey a less serious or formal tone
4. Used to show humility.
5. (degree) absolutely, positively
6. Moments ago, recently.
7. By a narrow margin; closely; nearly.
8. Exactly, precisely, perfectly.

(only): merely, simply

(recently): freshly, lately, newly

(by a narrow margin): barely, hardly, scarcely; slightly

(exactly): on the dot, smack-dab; exactly