wholeheartedly; single-mindedly; intently
Describes doing something with complete focus and dedication, often to the exclusion of other things. Can carry a nuance of earnestness or determination.
He is single-mindedly pursuing his dream.
She loves him wholeheartedly.
Standard kanji spelling for the adverb いちずに.
Ateji spelling; rarely used.
From 一 (one) + 途 (way, path), literally 'one path', suggesting a single-minded direction. The reading いちず is a combination of on'yomi and kun'yomi. The ateji spelling 一図 uses 図 (diagram, plan) for its sound.