こよなく

adverb

exceedingly; extremely; dearly; most of all

Expresses a strong degree of liking, loving, or valuing something. Often used with verbs like 愛する, 好む, or 大切にする to mean 'dearly' or 'above all else'.

• 彼かれは家か族ぞくをこよなく愛あいしている。

  He loves his family dearly.