1
in high spirits;elated
「来年こそは一部上場だ」と、社長は意気軒高だ。
You could see the elation in the president's face when he announced that our shares are going to be listed on the First Section of the TSE next year.
Other forms
意気軒高 【いきけんこう】 · 意気軒昻 【いきけんこう】 (search-only kanji form)