Ultra
Super, Really
noun, prefix
This has the same meaning as the kanji. Stick this onto another word and you have "ultra _____."
The reading is the same as what you learned with the kanji.
今超貧乏でさ〜。砂糖も切らしてるんだけど、それすら新しいの買えないんだわ。
I’m super broke right now. I’ve run out of sugar and I can’t even buy more.