The adjective 'just' describes a noun as:
- fair or impartial in action or judgment (a just verdict)
- conforming to high moral standards (a just cause)
- legally valid, lawful (a just punishment)
- in agreement with a standard of correctness (a just reward)
The
adverb 'just' modifies a verb, an adjective, another adverb as:
- a short time ago ( just called)
- at this very instant (just calling)
- no more than, merely (just average)
- exactly, precisely (just right)
- a little distance (just next door)
- very (just wonderful)