justˈness noun

1. Equity
2. Fittingness
3. Exactness

just-in-timeˈ adjective

Relating to a system of manufacture by which components are delivered when they are needed for assembly, to reduce storage costs (abbrev JIT)

noun

This system of manufacture

just intonation noun (music)

Observance of the true mathematical theoretical pitch, without compromise or temperament

just about

1. Nearly
2. More or less

just about to see about to under about

just now

1. Precisely at this moment
2. A little while ago
3. Very soon

just so

1. Exactly, I agree
2. In a precise, neat manner