bashful

Từ điển American Heritage Dictionary 4th

bash·ful (băshʹfəl)adj.
1. Shy, self-conscious, and awkward in the presence of others. See Synonyms at shy¹.
2. Characterized by, showing, or resulting from shyness, self-consciousness, or awkwardness. [From Middle English basshe, from basshed, past participle of basshen, to be discomfited, probably variant of abaishen. See abash.] bashʹful·ly adv.bashʹful·ness n.