Learner's definition of BASHFUL
[more bashful; most bashful]
nervous or uncomfortable in social situations
afraid to talk to people because of a lack of confidence
She was very bashful [=shy] as a child.
bashful boys asking girls to dance
He looked at her with a bashful smile. [=a smile that showed he was feeling bashful]
Take another cookie if you like. Don't be bashful. [=shy]