/ ˈdɪəli; NAmE ˈdɪrli/ adverb
1.
very much :
She loves him dearly.
I would dearly like / love to know what he was thinking.
dearly beloved (= used by a minister at a Christian church service to address people)
2.
in a way that causes a lot of suffering or damage, or that costs a lot of money :
Success has cost him dearly .
She paid dearly for her mistake.