Found 2 items, similar to guiltily.
English → English (WordNet) Definition: guiltily guiltily adv : in the manner of someone who has committed an offense; “she blushed guiltily as she spoke”
English → English (gcide) Definition: Guiltily Guiltily \Guilt"i*ly\ (g[i^]lt"[i^]*l[y^]), adv. In a guilty manner. [1913 Webster]