Adverb
In a shy or timid manner; not familiarly; with reserve.
Source: Webster's dictionaryhe smiled shyly Source: Internet
Betty smiles shyly as she locks eyes with Adam, but she flees before she can meet him, saying that she is late to meet a friend. Source: Internet
At one angle, she looked down shyly, and at another angle, she looked straight ahead with the slightest smile. Source: Internet
I smiled at them shyly, feeling my cheeks heat; to say that I was awkward with the opposite sex was a huge understatement. Source: Internet
Edwina is chastised for her exposed shoulders (cue the pearl-clutching!) and shyly pulls on a shawl. Source: Internet
Galo came up shyly and hugged her brother. Source: Internet