(also dryly ) / ˈdraɪli; NAmE / adverb
—see also dry
1.
if sb speaks drily , they are being humorous, but not in an obvious way :
'Well, at least it's not purple,' she commented drily.
2.
in a way that shows no emotion :
He smiled drily and leaned back in his chair.
3.
in a way that shows that there is no liquid present :
She coughed drily.
He swallowed drily and nodded.