the mind > emotion > humility > modesty > shyness or bashfulness > [noun] > diffidence (5)
Doubt in one's own ability, merit, or judgement; lack of self-confidence; modesty or shyness resulting from this. Also: an instance of this.
Distrust of oneself, one's abilities, or one's judgement.
Doubt in one's own ability, merit, or judgement; lack of self-confidence; modesty or shyness resulting from this; = diffidence, n. 2.
False shame or modesty. Also: extreme or unreasonable diffidence; painful shyness.