Is Shamefacedness an Adjective?

Shamefacedness is a noun. ... Nouns provide the names for all things: people, objects, sensations, feelings, etc.

Is modesty a noun or adjective?

noun, plural mod·es·ties. the quality of being modest; freedom from vanity, boastfulness, etc. regard for decency of behavior, speech, dress, etc.

What is the adverb of shamefaced?

/ˌʃeɪmˈfeɪsɪdli/ ​in a way that shows that you feel ashamed because you have done something bad or stupid synonym sheepishly. He smiled rather shamefacedly.