shamefaced
1. [ adjective ] showing a sense of shame
Synonyms: sheepish
Related terms: ashamed
2. [ adjective ] extremely modest or shy
Examples:

"cheerfully bearing reproaches but shamefaced at praise"- H.O.Taylor

Related terms: modest
3. [ adjective ] showing a sense of guilt
Synonyms: hangdog shamed guilty
Examples:

"a guilty look" "the hangdog and shamefaced air of the retreating enemy"- Eric Linklater

Related terms: ashamed
Similar spelling:   shamefacedly