sadly
adverb
ˈsædli 
ˈsædli 
1 unfortunatelySadly, after eight years of marriage they had grown apart.2 in a sad wayShe shook her head sadly.3 very much and in a way that makes you sadShe will be sadly missed.They had hoped to win and were sadly disappointed.If you think I'm going to help you again, you're sadly (= completely) mistaken.His work has been sadly neglected.