Adverbs for Undemonstrative

sternly; forbiddingly; painfully; curiously; oddly; calmly; chillingly; unluckily; unfortunately; habitually; naturally; inherently; significantly; coolly; surprisingly; perplexingly; churlishly; ungratefully; meanly; disappointingly; shyly; bashfully; modestly; awkwardly; demurely; augustly; temperamentally.