Meaning of JUST in English
■ adjective morally right and fair.
↘appropriate or deserved.
↘(of an opinion or appraisal) well founded.
↘exactly or nearly at this or that moment.
2》 very recently.
3》 barely; by a little.
4》 simply; only.
↘really: they're ~ great.
5》 expressing agreement.
~ in case as a precaution.
1》 arranged or done very carefully.
2》 expressing agreement.
ME: via OFr. from L. ~us , from jus 'law, right'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004