taru-adjective, adverb taking the 'to' particle
high-spirited; in high spirits
Literary taru-adjective/adverb; almost always appears in the fixed expression 意気軒昂 (いきけんこう), meaning 'in high spirits' or 'full of vigor'. Rarely used independently.
See also: 意気軒昂
He embarked on a new venture in high spirits.
軒昂 is almost always used within the set phrase 意気軒昂.
in high spirits; elated; exuberant
A Sino-Japanese word from Chinese 軒昂, originally describing a lofty, imposing bearing and later an elevated or vigorous state of spirit.