Sentence:  Thus boys, and even young men, get situations in offices to run of errands and stay about the place to answer any calls which may be made ; thus they become listless, <WSD>vacuitous</WSD>, lazy, and utterly demoralized, and they come to man's estate without a trade or profession, and become aimless sponges upon the prosperity of the community. 
Meaning of the word marked with <WSD> tags:  Lacking thought or intelligence; vacuous.