eu > en
1 izond. (Heg.) serious
ama zuen serioa: her mother was serious
2 izond. (Heg.) [garrantzizkoa] serious, important
3 izond. (Heg.) [konfiantzazkoa] responsible, reliable, hard-working
4 adb. (Heg.) seriously, in earnest
serio hitz egin: to speak seriously