This is the 6012th most frequent Catalan word.
justa
Fair; exact; duel (depending on context).
Here, 'justa' is used as an adjective to mean 'fair' or 'equitable', describing a decision.
La decisió de l'àrbitre va ser justa.
The referee's decision was fair.
In this sentence, 'justa' indicates 'barely' or 'just in time', modifying the verb to show punctuality or limit.
Va arribar a casa justa a temps per sopar.
She arrived home just in time for dinner.
Here, 'justa' is a noun, referring to a medieval jousting competition.