Meanings of extreme diffidence in English

The following attempts in Verse are laid before the Public with extreme diffidence.

Watt's extreme diffidence was often the subject of remark at Dr. Roebuck's fireside.

We always approach with veneration and extreme diffidence the character of this mighty man.

Their extreme diffidence of each other, has rendered the combined opposition of prisoners impossible.

The following suggestions are offered with extreme diffidence, and only as uncertain and indeterminate approximations.

But I venture to give these opinions with extreme diffidence; they may be contrary to general views on the subject.

Called by an unexpected dispensation to its highest trust at a season of embarrassment and alarm, I entered upon its arduous duties with extreme diffidence.

'I must say, Mr McKeith, you haven't shown such extreme diffidence in approaching me.'

"Would you mind letting me hold it for a little?" he said with extreme diffidence.