Complete Works of Virginia Woolf:
The discreet tentative way in which she moved, together with her sober black dress, showed that she belonged to the lower orders; nevertheless she took up a rock-like position, looking about her to see that no gentry were near before she delivered her message, which had reference to the state of the sheets, and was of the utmost gravity.
1. not behaving or done with confidence;
2. not definite or certain because you may want to change it later.
people belonging to a high social class.