* Adverb: This is the most common use. It modifies verbs, adjectives, or other adverbs, expressing ideas like fairness, only recently, or merely.
* Examples: "He was just joking." "She's just a child." "I just finished my homework."
* Adjective: It can mean fair, lawful, or rightful.
* Examples: "This is a just cause." "They are seeking just compensation."
* Conjunction: It can mean "simply" or "only," and often connects clauses.
* Examples: "I will go just as soon as I finish this." "It's just what I needed."
So, "just" is not only a verb, it can be several other parts of speech depending on its usage in a sentence.