Bashful and Diffident

adjective

• Self-consciously timid. "I never laughed, being bashful; lowering my head, I looked at the wall- Ezra Pound
• Disposed to avoid notice."they considered themselves a tough outfit and weren't bashful about letting anybody know it"; (`blate' is a Scottish term for bashful)
  • synonyms: blate

• (a.) Abashed; daunted; dismayed.
• (a.) Very modest or modest excess; constitutionally disposed to shrink from public notice; indicating extreme or excessive modesty; shy; as, a bashful person, action, expression.

adjective

• Showing modest reserve.
  • usage: "she was diffident when offering a comment on the professor's lecture"
• Lacking self-confidence.
  • usage: "stood in the doorway diffident and abashed"; "problems that call for bold not timid responses"; "a very unsure young man"
  • synonyms: shy, timid, unsure

• (a.) Wanting confidence in one's self; distrustful of one's own powers; not self-reliant; timid; modest; bashful; characterized by modest reserve.
• (a.) Wanting confidence in others; distrustful.