The difference between Just and Unjust

When used as adjectives, just means factually right, correct, whereas unjust means not fair, just or right.

Just is also interjection with the meaning: expressing dismay or discontent.

Just is also noun with the meaning: a joust, tournament.

Just is also adverb with the meaning: only, simply, merely.

Just is also verb with the meaning: to joust, fight a tournament.

check bellow for the other definitions of Just and Unjust

Just as an adjective:

Factually right, correct; factual.

Examples:

"It is a just assessment of the facts."
Just as an adjective:

Rationally right, correct.
Just as an adjective:

Morally right; upright, righteous, equitable; fair.

Examples:

"It looks like a just solution at first glance."
Just as an adjective:

Proper, adequate.

Just as an adverb:

Only, simply, merely.

Examples:

"Plant just a few tomatoes, unless you can freeze or dry them."

"He calls it vermilion, but it's just red to me."
Just as an adverb (sentence adverb):

; simply.

Examples:

"'Just follow the directions on the box."
Just as an adverb (speech act):

Examples:

"I just called to say "hi"."
Just as an adverb (speech act):

.

Examples:

"Lord, we just want to thank You and praise Your Name."
Just as an adverb (degree):

absolutely, positively

Examples:

"It is just splendid!"
Just as an adverb:

Moments ago, recently.

Examples:

"They just left, but you may leave a message at the desk."
Just as an adverb:

By a narrow margin; closely; nearly.

Examples:

"The fastball just missed my head!"

"The piece just might fit."
Just as an adverb:

Exactly, precisely, perfectly.

Examples:

"He wants everything just right for the big day."

Just as a verb:

To joust, fight a tournament.

Examples:

"rfquotek Fairfax"

Unjust as an adjective:

Not fair, just or right.

Examples:

"The solution was very unjust."