Adjective:
enorme, gran, extens, principal, gegantí, immens, tremend, canibalesco, grandiós, molt gran, monstruós, cosa imponent.
The sky is HUGE, right?
...with this HUGE annoying thing hovering over my head?
That's a HUGE accomplishment.
and made a HUGE mistake last night.
What's HUGE is what you've done for me.