As somebody who is primarily concerned with semantics, I like single word requests, but I dislike how they are treated by other users. We rarely see anything outside of adjectives being suggested for instance. I also don't think the exemplary sentence requirement makes much sense, since a good word should be applicable in a variety of contexts and it does not do much to provide us with expert level questions of the sort that are expected on E.L.U. or restrict the answers given.
I'd change the requirement to something that requires a modicum of expertise, e.g. listing the part of speech bei…