vain
US /veɪn/
UK /veɪn/

1.
vano, inutile
having or showing an excessively high opinion of one's appearance, abilities, or worth
:
•
She is so vain that she spends hours looking at herself in the mirror.
È così vana che passa ore a guardarsi allo specchio.
•
His vain attempts to impress her failed.
I suoi tentativi vani di impressionarla fallirono.
2.
inutile, vano
producing no result; useless
:
•
All their efforts were in vain.
Tutti i loro sforzi furono vani.
•
It was a vain attempt to escape.
Fu un tentativo vano di fuga.