adj.lacking or marked by a lack of confidence

Unconfident consumers
Confidently Unconfident
THE MODEL OF GETTING UNCONFIDENT STUDENTS TO SPEAK UP
MARKET WATCH: Energy prices waffle in unconfident markets
Unconfident and Underrepresented: Gendered Differences in Levels of Political Ambition among Students
Ramblings of an old academic: Unconfident advice for end-times academics
Can users live with overconfident or unconfident systems?: a comparison of artificial subtle expressions with human-like expression
The Burden of the Gospels: An Unconfident Faith: The Gospels Present Us with Peculiar Questions, Ones That We Can't Escape and Can't...
Specificity of the subjective picture of life’s journey of self-confident and unconfident first-year students
Communication skills training in English alone can leave Arab medical students unconfident with patient communication in their nativ...