well-nigh (adverb) almost: nearly, very nearly
Sinonime: about, about to, all but,
approximately,
around, as good as, bordering on, close to, close upon,
essentially, for all practical purposes, for the greatest part, in effect, in the neighborhood of, in the vicinity of, just about,
most,
much, near to, nigh, not far from, not quite, on the brink of, on the edge of, on the point of, on the verge of,
practically, pretty near,
relatively,
roughly,
substantially,
virtually, well-nigh, within sight of