noun
lack of self-confidence
• Syn: ↑self-doubt, ↑self-distrust
• Ant: ↑confidence
• Derivationally related forms: ↑diffident
• Hypernyms: ↑timidity, ↑timidness, ↑timorousness
• Hyponyms: ↑hesitance, ↑hesitancy, ↑unassertiveness
Useful english dictionary. 2012.