Meanings of very sightly in English

My ladder, though not very sightly, was, I hoped, thus made secure.

I'm afraid the parlor won't be very sightly, but you won't mind, will you?

They are very sightly and have handsome halls.

They are a very sightly company, those girls.

He seems a very sightly young man, even if he does 'chase caterpillars for a living.'

That series, though not very sightly to the eye, is of extraordinary value for dramatic insight and energy.

It is very sightly, and to all appearances thickly populated, and has a circumference of about fifteen leguas.

She was not very sightly, certainly, but we thought she would be strong, which was of more importance.

Betty thought she should some day like to come out and investigate them with Peter; they were not very sightly, but they might prove interesting.

She felt slightly-oh ,verysightly-uneasyabout Daisy.

"It is a very sightly evening!"