lui uscisse

went out, left, came out, was dating

→ uscire
usc to go out, to leave + isse subjunctive imperfect, 3rd person singular
verb · 3rd-person singular, imperfect tense Rare #41,867
went out, left, came out A past subjunctive form; its English translation depends on context.
IT: Volevo che uscisse di casa presto.
EN: I wanted them to leave the house early.
was dating A past subjunctive form; used here for being in a romantic relationship.
IT: Non volevo che uscisse con lui.
EN: I didn't want her to date him.
Conjugation of uscire
Subjunctive imperfect
SingularPlural
Third uscisse —

Penso che Tom uscisse con Mary.

I think Tom was dating Mary.

Io avevo quella di aspettare qui che May uscisse dal lavoro.

I was the one who had to wait here for May to get off work.

— Hong Kong Express (1994)

Ah, sembrava le uscisse dalla testa.

Ah, it seemed like it was coming out of her head.

— Elephant (2003)

Non volevo che Brendan Harris uscisse con Katie o nessun'altra figlia mia.

I didn't want Brendan Harris dating Katie or any of my other daughters.

— Mystic River (2003)

Come se uscisse dal naso.

As if it were coming out of the nose.

— Avatar - La via dell'acqua (2022)