Synonyms for Nigh (same or very similar meaning)
WordNet sense 1 (being on the left side):
near
WordNet sense 2 (being or located on or directed toward the side of the body to the west when facing north):
left
WordNet sense 3 (situated near one another):
neighboring
WordNet sense 4 (close at hand):
nearby
WordNet sense 5 (near or close to but not necessarily touching):
adjacent
WordNet sense 6 (not far distant in time or space or degree or circumstances):
close
WordNet sense 7 ((of actions or states) slightly short of or not quite accomplished):
about, almost, most, nearly, virtually, well-nigh, all but, just about
From the ODE community, based on WordNet
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